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Finding the Fourth Proportional to 71,697.44, 107,398.20 and 42,025.16

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Solution

The fourth proportional to 71,697.44, 107,398.20 and 42,025.16 is: 62,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,697.44 : 107,398.20 = 42,025.16 : x
  2. Step 2: Convert to fraction form
    71,697.44/107,398.20 = 42,025.16/x
  3. Step 3: Cross multiply
    71,697.44x = 107,398.20 × 42,025.16
  4. Step 4: Simplify right side
    71,697.44x = 4,513,426,538.71
  5. Step 5: Solve for x
    x = 4,513,426,538.71/71,697.44
  6. Step 6: Final answer
    x = 62,951.01

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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.