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Finding the Fourth Proportional to 72,295.91, 108,454.46 and 22,380.47

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Solution

The fourth proportional to 72,295.91, 108,454.46 and 22,380.47 is: 33,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,295.91 : 108,454.46 = 22,380.47 : x
  2. Step 2: Convert to fraction form
    72,295.91/108,454.46 = 22,380.47/x
  3. Step 3: Cross multiply
    72,295.91x = 108,454.46 × 22,380.47
  4. Step 4: Simplify right side
    72,295.91x = 2,427,261,134.22
  5. Step 5: Solve for x
    x = 2,427,261,134.22/72,295.91
  6. Step 6: Final answer
    x = 33,573.98

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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.