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Finding the Fourth Proportional to 39,937.68, 59,973.36 and 38,348.40

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Solution

The fourth proportional to 39,937.68, 59,973.36 and 38,348.40 is: 57,586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937.68 : 59,973.36 = 38,348.40 : x
  2. Step 2: Convert to fraction form
    39,937.68/59,973.36 = 38,348.40/x
  3. Step 3: Cross multiply
    39,937.68x = 59,973.36 × 38,348.40
  4. Step 4: Simplify right side
    39,937.68x = 2,299,882,398.62
  5. Step 5: Solve for x
    x = 2,299,882,398.62/39,937.68
  6. Step 6: Final answer
    x = 57,586.78

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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.