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Finding the Fourth Proportional to 38,851.80, 58,285.80 and 22,198.20

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Solution

The fourth proportional to 38,851.80, 58,285.80 and 22,198.20 is: 33,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851.80 : 58,285.80 = 22,198.20 : x
  2. Step 2: Convert to fraction form
    38,851.80/58,285.80 = 22,198.20/x
  3. Step 3: Cross multiply
    38,851.80x = 58,285.80 × 22,198.20
  4. Step 4: Simplify right side
    38,851.80x = 1,293,839,845.56
  5. Step 5: Solve for x
    x = 1,293,839,845.56/38,851.80
  6. Step 6: Final answer
    x = 33,301.93

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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.