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Finding the Fourth Proportional to 6,941.40, 10,412.10 and 6,336.60

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Solution

The fourth proportional to 6,941.40, 10,412.10 and 6,336.60 is: 9,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,941.40 : 10,412.10 = 6,336.60 : x
  2. Step 2: Convert to fraction form
    6,941.40/10,412.10 = 6,336.60/x
  3. Step 3: Cross multiply
    6,941.40x = 10,412.10 × 6,336.60
  4. Step 4: Simplify right side
    6,941.40x = 65,977,312.86
  5. Step 5: Solve for x
    x = 65,977,312.86/6,941.40
  6. Step 6: Final answer
    x = 9,504.90

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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.