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Finding the Fourth Proportional to 16,476.84, 24,693.36 and 8,691.12

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Solution

The fourth proportional to 16,476.84, 24,693.36 and 8,691.12 is: 13,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,476.84 : 24,693.36 = 8,691.12 : x
  2. Step 2: Convert to fraction form
    16,476.84/24,693.36 = 8,691.12/x
  3. Step 3: Cross multiply
    16,476.84x = 24,693.36 × 8,691.12
  4. Step 4: Simplify right side
    16,476.84x = 214,612,954.96
  5. Step 5: Solve for x
    x = 214,612,954.96/16,476.84
  6. Step 6: Final answer
    x = 13,025.13

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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.