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Finding the Fourth Proportional to 57,477.62, 79,264.53 and 38,061.92

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Solution

The fourth proportional to 57,477.62, 79,264.53 and 38,061.92 is: 52,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,477.62 : 79,264.53 = 38,061.92 : x
  2. Step 2: Convert to fraction form
    57,477.62/79,264.53 = 38,061.92/x
  3. Step 3: Cross multiply
    57,477.62x = 79,264.53 × 38,061.92
  4. Step 4: Simplify right side
    57,477.62x = 3,016,960,397.86
  5. Step 5: Solve for x
    x = 3,016,960,397.86/57,477.62
  6. Step 6: Final answer
    x = 52,489.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.