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Finding the Fourth Proportional to 22,260.87, 33,385.84 and 7,469.46

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Solution

The fourth proportional to 22,260.87, 33,385.84 and 7,469.46 is: 11,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.87 : 33,385.84 = 7,469.46 : x
  2. Step 2: Convert to fraction form
    22,260.87/33,385.84 = 7,469.46/x
  3. Step 3: Cross multiply
    22,260.87x = 33,385.84 × 7,469.46
  4. Step 4: Simplify right side
    22,260.87x = 249,374,177.77
  5. Step 5: Solve for x
    x = 249,374,177.77/22,260.87
  6. Step 6: Final answer
    x = 11,202.36

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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.