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Finding the Fourth Proportional to 62,614.62, 86,417.04 and 38,748.99

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Solution

The fourth proportional to 62,614.62, 86,417.04 and 38,748.99 is: 53,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,614.62 : 86,417.04 = 38,748.99 : x
  2. Step 2: Convert to fraction form
    62,614.62/86,417.04 = 38,748.99/x
  3. Step 3: Cross multiply
    62,614.62x = 86,417.04 × 38,748.99
  4. Step 4: Simplify right side
    62,614.62x = 3,348,572,694.73
  5. Step 5: Solve for x
    x = 3,348,572,694.73/62,614.62
  6. Step 6: Final answer
    x = 53,479.08

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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.