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Finding the Fourth Proportional to 16,221.78, 24,301.11 and 10,658.22

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Solution

The fourth proportional to 16,221.78, 24,301.11 and 10,658.22 is: 15,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.78 : 24,301.11 = 10,658.22 : x
  2. Step 2: Convert to fraction form
    16,221.78/24,301.11 = 10,658.22/x
  3. Step 3: Cross multiply
    16,221.78x = 24,301.11 × 10,658.22
  4. Step 4: Simplify right side
    16,221.78x = 259,006,576.62
  5. Step 5: Solve for x
    x = 259,006,576.62/16,221.78
  6. Step 6: Final answer
    x = 15,966.59

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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.