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Finding the Fourth Proportional to 6,641,503.60, 9,962,255.40 and 6,043,140.40

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Solution

The fourth proportional to 6,641,503.60, 9,962,255.40 and 6,043,140.40 is: 9,064,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641,503.60 : 9,962,255.40 = 6,043,140.40 : x
  2. Step 2: Convert to fraction form
    6,641,503.60/9,962,255.40 = 6,043,140.40/x
  3. Step 3: Cross multiply
    6,641,503.60x = 9,962,255.40 × 6,043,140.40
  4. Step 4: Simplify right side
    6,641,503.60x = 60,203,308,082,858.16
  5. Step 5: Solve for x
    x = 60,203,308,082,858.16/6,641,503.60
  6. Step 6: Final answer
    x = 9,064,710.60

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Double scale
Find fourth proportional to 6,641,504.60, 9,962,256.90 and 6,043,141.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.