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Finding the Fourth Proportional to 83,095.62, 124,640.16 and 27,691.62

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Solution

The fourth proportional to 83,095.62, 124,640.16 and 27,691.62 is: 41,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,095.62 : 124,640.16 = 27,691.62 : x
  2. Step 2: Convert to fraction form
    83,095.62/124,640.16 = 27,691.62/x
  3. Step 3: Cross multiply
    83,095.62x = 124,640.16 × 27,691.62
  4. Step 4: Simplify right side
    83,095.62x = 3,451,487,947.46
  5. Step 5: Solve for x
    x = 3,451,487,947.46/83,095.62
  6. Step 6: Final answer
    x = 41,536.34

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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.