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Finding the Fourth Proportional to 16,473.65, 24,684.59 and 12,734.59

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Solution

The fourth proportional to 16,473.65, 24,684.59 and 12,734.59 is: 19,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,473.65 : 24,684.59 = 12,734.59 : x
  2. Step 2: Convert to fraction form
    16,473.65/24,684.59 = 12,734.59/x
  3. Step 3: Cross multiply
    16,473.65x = 24,684.59 × 12,734.59
  4. Step 4: Simplify right side
    16,473.65x = 314,348,132.97
  5. Step 5: Solve for x
    x = 314,348,132.97/16,473.65
  6. Step 6: Final answer
    x = 19,081.88

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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.