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Finding the Fourth Proportional to 16,472.97, 24,708.31 and 5,379.41

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Solution

The fourth proportional to 16,472.97, 24,708.31 and 5,379.41 is: 8,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,472.97 : 24,708.31 = 5,379.41 : x
  2. Step 2: Convert to fraction form
    16,472.97/24,708.31 = 5,379.41/x
  3. Step 3: Cross multiply
    16,472.97x = 24,708.31 × 5,379.41
  4. Step 4: Simplify right side
    16,472.97x = 132,916,178.22
  5. Step 5: Solve for x
    x = 132,916,178.22/16,472.97
  6. Step 6: Final answer
    x = 8,068.74

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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.