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Finding the Fourth Proportional to 16,778.62, 23,141.91 and 16,034.14

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Solution

The fourth proportional to 16,778.62, 23,141.91 and 16,034.14 is: 22,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.62 : 23,141.91 = 16,034.14 : x
  2. Step 2: Convert to fraction form
    16,778.62/23,141.91 = 16,034.14/x
  3. Step 3: Cross multiply
    16,778.62x = 23,141.91 × 16,034.14
  4. Step 4: Simplify right side
    16,778.62x = 371,060,624.81
  5. Step 5: Solve for x
    x = 371,060,624.81/16,778.62
  6. Step 6: Final answer
    x = 22,115.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.