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Finding the Fourth Proportional to 38,366.87, 57,565.89 and 30,551.99

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Solution

The fourth proportional to 38,366.87, 57,565.89 and 30,551.99 is: 45,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,366.87 : 57,565.89 = 30,551.99 : x
  2. Step 2: Convert to fraction form
    38,366.87/57,565.89 = 30,551.99/x
  3. Step 3: Cross multiply
    38,366.87x = 57,565.89 × 30,551.99
  4. Step 4: Simplify right side
    38,366.87x = 1,758,752,207.79
  5. Step 5: Solve for x
    x = 1,758,752,207.79/38,366.87
  6. Step 6: Final answer
    x = 45,840.39

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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.