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Finding the Fourth Proportional to 24,481.66, 36,738.90 and 15,722.72

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Solution

The fourth proportional to 24,481.66, 36,738.90 and 15,722.72 is: 23,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,481.66 : 36,738.90 = 15,722.72 : x
  2. Step 2: Convert to fraction form
    24,481.66/36,738.90 = 15,722.72/x
  3. Step 3: Cross multiply
    24,481.66x = 36,738.90 × 15,722.72
  4. Step 4: Simplify right side
    24,481.66x = 577,635,437.81
  5. Step 5: Solve for x
    x = 577,635,437.81/24,481.66
  6. Step 6: Final answer
    x = 23,594.62

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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.