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Finding the Fourth Proportional to 22,124.80, 33,138.60 and 15,515.20

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Solution

The fourth proportional to 22,124.80, 33,138.60 and 15,515.20 is: 23,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.80 : 33,138.60 = 15,515.20 : x
  2. Step 2: Convert to fraction form
    22,124.80/33,138.60 = 15,515.20/x
  3. Step 3: Cross multiply
    22,124.80x = 33,138.60 × 15,515.20
  4. Step 4: Simplify right side
    22,124.80x = 514,152,006.72
  5. Step 5: Solve for x
    x = 514,152,006.72/22,124.80
  6. Step 6: Final answer
    x = 23,238.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.