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Finding the Fourth Proportional to 84,560.52, 126,840.78 and 22,230.92

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Solution

The fourth proportional to 84,560.52, 126,840.78 and 22,230.92 is: 33,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,560.52 : 126,840.78 = 22,230.92 : x
  2. Step 2: Convert to fraction form
    84,560.52/126,840.78 = 22,230.92/x
  3. Step 3: Cross multiply
    84,560.52x = 126,840.78 × 22,230.92
  4. Step 4: Simplify right side
    84,560.52x = 2,819,787,232.92
  5. Step 5: Solve for x
    x = 2,819,787,232.92/84,560.52
  6. Step 6: Final answer
    x = 33,346.38

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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.