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Finding the Fourth Proportional to 62,660.90, 86,472.47 and 34,366.79

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Solution

The fourth proportional to 62,660.90, 86,472.47 and 34,366.79 is: 47,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,660.90 : 86,472.47 = 34,366.79 : x
  2. Step 2: Convert to fraction form
    62,660.90/86,472.47 = 34,366.79/x
  3. Step 3: Cross multiply
    62,660.90x = 86,472.47 × 34,366.79
  4. Step 4: Simplify right side
    62,660.90x = 2,971,781,001.78
  5. Step 5: Solve for x
    x = 2,971,781,001.78/62,660.90
  6. Step 6: Final answer
    x = 47,426.40

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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.