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Finding the Fourth Proportional to 22,291.92, 33,414.32 and 8,242.93

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Solution

The fourth proportional to 22,291.92, 33,414.32 and 8,242.93 is: 12,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291.92 : 33,414.32 = 8,242.93 : x
  2. Step 2: Convert to fraction form
    22,291.92/33,414.32 = 8,242.93/x
  3. Step 3: Cross multiply
    22,291.92x = 33,414.32 × 8,242.93
  4. Step 4: Simplify right side
    22,291.92x = 275,431,900.76
  5. Step 5: Solve for x
    x = 275,431,900.76/22,291.92
  6. Step 6: Final answer
    x = 12,355.68

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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.