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Finding the Fourth Proportional to 70,680.67, 97,538.06 and 38,849.56

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Solution

The fourth proportional to 70,680.67, 97,538.06 and 38,849.56 is: 53,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,680.67 : 97,538.06 = 38,849.56 : x
  2. Step 2: Convert to fraction form
    70,680.67/97,538.06 = 38,849.56/x
  3. Step 3: Cross multiply
    70,680.67x = 97,538.06 × 38,849.56
  4. Step 4: Simplify right side
    70,680.67x = 3,789,310,714.25
  5. Step 5: Solve for x
    x = 3,789,310,714.25/70,680.67
  6. Step 6: Final answer
    x = 53,611.70

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