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Finding the Fourth Proportional to 57,061.79, 85,612.95 and 25,468.97

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Solution

The fourth proportional to 57,061.79, 85,612.95 and 25,468.97 is: 38,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,061.79 : 85,612.95 = 25,468.97 : x
  2. Step 2: Convert to fraction form
    57,061.79/85,612.95 = 25,468.97/x
  3. Step 3: Cross multiply
    57,061.79x = 85,612.95 × 25,468.97
  4. Step 4: Simplify right side
    57,061.79x = 2,180,473,655.16
  5. Step 5: Solve for x
    x = 2,180,473,655.16/57,061.79
  6. Step 6: Final answer
    x = 38,212.50

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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.