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Finding the Fourth Proportional to 16,747.73, 25,119.86 and 8,424.35

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Solution

The fourth proportional to 16,747.73, 25,119.86 and 8,424.35 is: 12,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,747.73 : 25,119.86 = 8,424.35 : x
  2. Step 2: Convert to fraction form
    16,747.73/25,119.86 = 8,424.35/x
  3. Step 3: Cross multiply
    16,747.73x = 25,119.86 × 8,424.35
  4. Step 4: Simplify right side
    16,747.73x = 211,618,324.87
  5. Step 5: Solve for x
    x = 211,618,324.87/16,747.73
  6. Step 6: Final answer
    x = 12,635.65

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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.