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Finding the Fourth Proportional to 71,625.96, 98,874.13 and 48,347.44

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Solution

The fourth proportional to 71,625.96, 98,874.13 and 48,347.44 is: 66,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,625.96 : 98,874.13 = 48,347.44 : x
  2. Step 2: Convert to fraction form
    71,625.96/98,874.13 = 48,347.44/x
  3. Step 3: Cross multiply
    71,625.96x = 98,874.13 × 48,347.44
  4. Step 4: Simplify right side
    71,625.96x = 4,780,311,067.73
  5. Step 5: Solve for x
    x = 4,780,311,067.73/71,625.96
  6. Step 6: Final answer
    x = 66,739.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.