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Finding the Fourth Proportional to 16,471.65, 24,681.60 and 12,732.59

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Solution

The fourth proportional to 16,471.65, 24,681.60 and 12,732.59 is: 19,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,471.65 : 24,681.60 = 12,732.59 : x
  2. Step 2: Convert to fraction form
    16,471.65/24,681.60 = 12,732.59/x
  3. Step 3: Cross multiply
    16,471.65x = 24,681.60 × 12,732.59
  4. Step 4: Simplify right side
    16,471.65x = 314,260,560.51
  5. Step 5: Solve for x
    x = 314,260,560.51/16,471.65
  6. Step 6: Final answer
    x = 19,078.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.