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Finding the Fourth Proportional to 73,308.74, 109,965.15 and 25,917.14

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Solution

The fourth proportional to 73,308.74, 109,965.15 and 25,917.14 is: 38,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,308.74 : 109,965.15 = 25,917.14 : x
  2. Step 2: Convert to fraction form
    73,308.74/109,965.15 = 25,917.14/x
  3. Step 3: Cross multiply
    73,308.74x = 109,965.15 × 25,917.14
  4. Step 4: Simplify right side
    73,308.74x = 2,849,981,637.85
  5. Step 5: Solve for x
    x = 2,849,981,637.85/73,308.74
  6. Step 6: Final answer
    x = 38,876.43

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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.