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Finding the Fourth Proportional to 73,545.68, 101,493.48 and 40,011.92

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Solution

The fourth proportional to 73,545.68, 101,493.48 and 40,011.92 is: 55,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,545.68 : 101,493.48 = 40,011.92 : x
  2. Step 2: Convert to fraction form
    73,545.68/101,493.48 = 40,011.92/x
  3. Step 3: Cross multiply
    73,545.68x = 101,493.48 × 40,011.92
  4. Step 4: Simplify right side
    73,545.68x = 4,060,949,002.28
  5. Step 5: Solve for x
    x = 4,060,949,002.28/73,545.68
  6. Step 6: Final answer
    x = 55,216.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.