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Finding the Fourth Proportional to 73,098.48, 109,613.16 and 33,643.92

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Solution

The fourth proportional to 73,098.48, 109,613.16 and 33,643.92 is: 50,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,098.48 : 109,613.16 = 33,643.92 : x
  2. Step 2: Convert to fraction form
    73,098.48/109,613.16 = 33,643.92/x
  3. Step 3: Cross multiply
    73,098.48x = 109,613.16 × 33,643.92
  4. Step 4: Simplify right side
    73,098.48x = 3,687,816,385.99
  5. Step 5: Solve for x
    x = 3,687,816,385.99/73,098.48
  6. Step 6: Final answer
    x = 50,449.97

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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.