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Finding the Fourth Proportional to 16,609.65, 22,908.36 and 10,641.87

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Solution

The fourth proportional to 16,609.65, 22,908.36 and 10,641.87 is: 14,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,609.65 : 22,908.36 = 10,641.87 : x
  2. Step 2: Convert to fraction form
    16,609.65/22,908.36 = 10,641.87/x
  3. Step 3: Cross multiply
    16,609.65x = 22,908.36 × 10,641.87
  4. Step 4: Simplify right side
    16,609.65x = 243,787,789.03
  5. Step 5: Solve for x
    x = 243,787,789.03/16,609.65
  6. Step 6: Final answer
    x = 14,677.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.