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Finding the Fourth Proportional to 83,892.47, 125,858.16 and 27,729.16

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Solution

The fourth proportional to 83,892.47, 125,858.16 and 27,729.16 is: 41,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,892.47 : 125,858.16 = 27,729.16 : x
  2. Step 2: Convert to fraction form
    83,892.47/125,858.16 = 27,729.16/x
  3. Step 3: Cross multiply
    83,892.47x = 125,858.16 × 27,729.16
  4. Step 4: Simplify right side
    83,892.47x = 3,489,940,741.30
  5. Step 5: Solve for x
    x = 3,489,940,741.30/83,892.47
  6. Step 6: Final answer
    x = 41,600.17

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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.