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Finding the Fourth Proportional to 16,691.73, 25,035.97 and 4,379.73

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Solution

The fourth proportional to 16,691.73, 25,035.97 and 4,379.73 is: 6,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.73 : 25,035.97 = 4,379.73 : x
  2. Step 2: Convert to fraction form
    16,691.73/25,035.97 = 4,379.73/x
  3. Step 3: Cross multiply
    16,691.73x = 25,035.97 × 4,379.73
  4. Step 4: Simplify right side
    16,691.73x = 109,650,788.89
  5. Step 5: Solve for x
    x = 109,650,788.89/16,691.73
  6. Step 6: Final answer
    x = 6,569.17

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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.