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Finding the Fourth Proportional to 16,603.46, 22,912.62 and 9,049.79

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Solution

The fourth proportional to 16,603.46, 22,912.62 and 9,049.79 is: 12,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.46 : 22,912.62 = 9,049.79 : x
  2. Step 2: Convert to fraction form
    16,603.46/22,912.62 = 9,049.79/x
  3. Step 3: Cross multiply
    16,603.46x = 22,912.62 × 9,049.79
  4. Step 4: Simplify right side
    16,603.46x = 207,354,404.65
  5. Step 5: Solve for x
    x = 207,354,404.65/16,603.46
  6. Step 6: Final answer
    x = 12,488.63

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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.