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Finding the Fourth Proportional to 84,654.88, 126,995.28 and 22,330.24

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Solution

The fourth proportional to 84,654.88, 126,995.28 and 22,330.24 is: 33,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,654.88 : 126,995.28 = 22,330.24 : x
  2. Step 2: Convert to fraction form
    84,654.88/126,995.28 = 22,330.24/x
  3. Step 3: Cross multiply
    84,654.88x = 126,995.28 × 22,330.24
  4. Step 4: Simplify right side
    84,654.88x = 2,835,835,081.27
  5. Step 5: Solve for x
    x = 2,835,835,081.27/84,654.88
  6. Step 6: Final answer
    x = 33,498.78

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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.