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Finding the Fourth Proportional to 71,665.86, 107,545.62 and 27,293.04

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Solution

The fourth proportional to 71,665.86, 107,545.62 and 27,293.04 is: 40,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,665.86 : 107,545.62 = 27,293.04 : x
  2. Step 2: Convert to fraction form
    71,665.86/107,545.62 = 27,293.04/x
  3. Step 3: Cross multiply
    71,665.86x = 107,545.62 × 27,293.04
  4. Step 4: Simplify right side
    71,665.86x = 2,935,246,908.48
  5. Step 5: Solve for x
    x = 2,935,246,908.48/71,665.86
  6. Step 6: Final answer
    x = 40,957.39

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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.