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Finding the Fourth Proportional to 38,847.80, 58,279.80 and 22,194.20

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Solution

The fourth proportional to 38,847.80, 58,279.80 and 22,194.20 is: 33,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,847.80 : 58,279.80 = 22,194.20 : x
  2. Step 2: Convert to fraction form
    38,847.80/58,279.80 = 22,194.20/x
  3. Step 3: Cross multiply
    38,847.80x = 58,279.80 × 22,194.20
  4. Step 4: Simplify right side
    38,847.80x = 1,293,473,537.16
  5. Step 5: Solve for x
    x = 1,293,473,537.16/38,847.80
  6. Step 6: Final answer
    x = 33,295.93

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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.