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Finding the Fourth Proportional to 84,759.62, 127,135.68 and 25,593.47

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Solution

The fourth proportional to 84,759.62, 127,135.68 and 25,593.47 is: 38,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,759.62 : 127,135.68 = 25,593.47 : x
  2. Step 2: Convert to fraction form
    84,759.62/127,135.68 = 25,593.47/x
  3. Step 3: Cross multiply
    84,759.62x = 127,135.68 × 25,593.47
  4. Step 4: Simplify right side
    84,759.62x = 3,253,842,957.11
  5. Step 5: Solve for x
    x = 3,253,842,957.11/84,759.62
  6. Step 6: Final answer
    x = 38,389.07

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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.