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Finding the Fourth Proportional to 71,022.42, 98,009.46 and 38,755.53

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Solution

The fourth proportional to 71,022.42, 98,009.46 and 38,755.53 is: 53,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.42 : 98,009.46 = 38,755.53 : x
  2. Step 2: Convert to fraction form
    71,022.42/98,009.46 = 38,755.53/x
  3. Step 3: Cross multiply
    71,022.42x = 98,009.46 × 38,755.53
  4. Step 4: Simplify right side
    71,022.42x = 3,798,408,567.31
  5. Step 5: Solve for x
    x = 3,798,408,567.31/71,022.42
  6. Step 6: Final answer
    x = 53,481.82

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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.