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Finding the Fourth Proportional to 72,214.59, 108,324.72 and 22,290.24

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Solution

The fourth proportional to 72,214.59, 108,324.72 and 22,290.24 is: 33,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,214.59 : 108,324.72 = 22,290.24 : x
  2. Step 2: Convert to fraction form
    72,214.59/108,324.72 = 22,290.24/x
  3. Step 3: Cross multiply
    72,214.59x = 108,324.72 × 22,290.24
  4. Step 4: Simplify right side
    72,214.59x = 2,414,584,006.73
  5. Step 5: Solve for x
    x = 2,414,584,006.73/72,214.59
  6. Step 6: Final answer
    x = 33,436.24

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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.