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Finding the Fourth Proportional to 16,675.91, 24,997.45 and 7,916.97

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Solution

The fourth proportional to 16,675.91, 24,997.45 and 7,916.97 is: 11,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.91 : 24,997.45 = 7,916.97 : x
  2. Step 2: Convert to fraction form
    16,675.91/24,997.45 = 7,916.97/x
  3. Step 3: Cross multiply
    16,675.91x = 24,997.45 × 7,916.97
  4. Step 4: Simplify right side
    16,675.91x = 197,904,061.73
  5. Step 5: Solve for x
    x = 197,904,061.73/16,675.91
  6. Step 6: Final answer
    x = 11,867.66

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1.5x scale

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.