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Finding the Fourth Proportional to 22,488.48, 33,708.96 and 7,491.54

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Solution

The fourth proportional to 22,488.48, 33,708.96 and 7,491.54 is: 11,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488.48 : 33,708.96 = 7,491.54 : x
  2. Step 2: Convert to fraction form
    22,488.48/33,708.96 = 7,491.54/x
  3. Step 3: Cross multiply
    22,488.48x = 33,708.96 × 7,491.54
  4. Step 4: Simplify right side
    22,488.48x = 252,532,022.20
  5. Step 5: Solve for x
    x = 252,532,022.20/22,488.48
  6. Step 6: Final answer
    x = 11,229.39

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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.