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Finding the Fourth Proportional to 16,369.71, 24,565.31 and 8,979.34

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Solution

The fourth proportional to 16,369.71, 24,565.31 and 8,979.34 is: 13,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,369.71 : 24,565.31 = 8,979.34 : x
  2. Step 2: Convert to fraction form
    16,369.71/24,565.31 = 8,979.34/x
  3. Step 3: Cross multiply
    16,369.71x = 24,565.31 × 8,979.34
  4. Step 4: Simplify right side
    16,369.71x = 220,580,270.70
  5. Step 5: Solve for x
    x = 220,580,270.70/16,369.71
  6. Step 6: Final answer
    x = 13,474.90

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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.