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Finding the Fourth Proportional to 22,039.38, 30,414.02 and 11,968.11

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Solution

The fourth proportional to 22,039.38, 30,414.02 and 11,968.11 is: 16,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.38 : 30,414.02 = 11,968.11 : x
  2. Step 2: Convert to fraction form
    22,039.38/30,414.02 = 11,968.11/x
  3. Step 3: Cross multiply
    22,039.38x = 30,414.02 × 11,968.11
  4. Step 4: Simplify right side
    22,039.38x = 363,998,277.06
  5. Step 5: Solve for x
    x = 363,998,277.06/22,039.38
  6. Step 6: Final answer
    x = 16,515.81

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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.