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Finding the Fourth Proportional to 68,850.56, 95,014.68 and 38,642.42

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Solution

The fourth proportional to 68,850.56, 95,014.68 and 38,642.42 is: 53,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,850.56 : 95,014.68 = 38,642.42 : x
  2. Step 2: Convert to fraction form
    68,850.56/95,014.68 = 38,642.42/x
  3. Step 3: Cross multiply
    68,850.56x = 95,014.68 × 38,642.42
  4. Step 4: Simplify right side
    68,850.56x = 3,671,597,170.73
  5. Step 5: Solve for x
    x = 3,671,597,170.73/68,850.56
  6. Step 6: Final answer
    x = 53,327.05

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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.