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Finding the Fourth Proportional to 22,191.84, 33,258.96 and 9,028.92

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Solution

The fourth proportional to 22,191.84, 33,258.96 and 9,028.92 is: 13,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.84 : 33,258.96 = 9,028.92 : x
  2. Step 2: Convert to fraction form
    22,191.84/33,258.96 = 9,028.92/x
  3. Step 3: Cross multiply
    22,191.84x = 33,258.96 × 9,028.92
  4. Step 4: Simplify right side
    22,191.84x = 300,292,489.12
  5. Step 5: Solve for x
    x = 300,292,489.12/22,191.84
  6. Step 6: Final answer
    x = 13,531.66

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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.