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Finding the Fourth Proportional to 24,410.70, 36,515.79 and 19,489.95

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Solution

The fourth proportional to 24,410.70, 36,515.79 and 19,489.95 is: 29,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,410.70 : 36,515.79 = 19,489.95 : x
  2. Step 2: Convert to fraction form
    24,410.70/36,515.79 = 19,489.95/x
  3. Step 3: Cross multiply
    24,410.70x = 36,515.79 × 19,489.95
  4. Step 4: Simplify right side
    24,410.70x = 711,690,921.31
  5. Step 5: Solve for x
    x = 711,690,921.31/24,410.70
  6. Step 6: Final answer
    x = 29,154.88

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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.