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Finding the Fourth Proportional to 84,383.16, 126,565.92 and 22,053.48

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Solution

The fourth proportional to 84,383.16, 126,565.92 and 22,053.48 is: 33,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,383.16 : 126,565.92 = 22,053.48 : x
  2. Step 2: Convert to fraction form
    84,383.16/126,565.92 = 22,053.48/x
  3. Step 3: Cross multiply
    84,383.16x = 126,565.92 × 22,053.48
  4. Step 4: Simplify right side
    84,383.16x = 2,791,218,985.40
  5. Step 5: Solve for x
    x = 2,791,218,985.40/84,383.16
  6. Step 6: Final answer
    x = 33,077.91

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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.