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Finding the Fourth Proportional to 57,593.52, 79,448.76 and 39,657.42

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Solution

The fourth proportional to 57,593.52, 79,448.76 and 39,657.42 is: 54,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,593.52 : 79,448.76 = 39,657.42 : x
  2. Step 2: Convert to fraction form
    57,593.52/79,448.76 = 39,657.42/x
  3. Step 3: Cross multiply
    57,593.52x = 79,448.76 × 39,657.42
  4. Step 4: Simplify right side
    57,593.52x = 3,150,732,843.80
  5. Step 5: Solve for x
    x = 3,150,732,843.80/57,593.52
  6. Step 6: Final answer
    x = 54,706.38

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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.