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Finding the Fourth Proportional to 82,691.57, 124,028.13 and 22,724.64

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Solution

The fourth proportional to 82,691.57, 124,028.13 and 22,724.64 is: 34,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,691.57 : 124,028.13 = 22,724.64 : x
  2. Step 2: Convert to fraction form
    82,691.57/124,028.13 = 22,724.64/x
  3. Step 3: Cross multiply
    82,691.57x = 124,028.13 × 22,724.64
  4. Step 4: Simplify right side
    82,691.57x = 2,818,494,604.12
  5. Step 5: Solve for x
    x = 2,818,494,604.12/82,691.57
  6. Step 6: Final answer
    x = 34,084.43

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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.