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Finding the Fourth Proportional to 6,695.60, 10,043.40 and 6,580.40

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Solution

The fourth proportional to 6,695.60, 10,043.40 and 6,580.40 is: 9,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,695.60 : 10,043.40 = 6,580.40 : x
  2. Step 2: Convert to fraction form
    6,695.60/10,043.40 = 6,580.40/x
  3. Step 3: Cross multiply
    6,695.60x = 10,043.40 × 6,580.40
  4. Step 4: Simplify right side
    6,695.60x = 66,089,589.36
  5. Step 5: Solve for x
    x = 66,089,589.36/6,695.60
  6. Step 6: Final answer
    x = 9,870.60

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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.