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Finding the Fourth Proportional to 22,981.62, 34,473.42 and 7,186.95

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Solution

The fourth proportional to 22,981.62, 34,473.42 and 7,186.95 is: 10,780.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.62 : 34,473.42 = 7,186.95 : x
  2. Step 2: Convert to fraction form
    22,981.62/34,473.42 = 7,186.95/x
  3. Step 3: Cross multiply
    22,981.62x = 34,473.42 × 7,186.95
  4. Step 4: Simplify right side
    22,981.62x = 247,758,745.87
  5. Step 5: Solve for x
    x = 247,758,745.87/22,981.62
  6. Step 6: Final answer
    x = 10,780.73

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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.