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Finding the Fourth Proportional to 65,262.56, 97,890.48 and 38,259.89

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Solution

The fourth proportional to 65,262.56, 97,890.48 and 38,259.89 is: 57,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,262.56 : 97,890.48 = 38,259.89 : x
  2. Step 2: Convert to fraction form
    65,262.56/97,890.48 = 38,259.89/x
  3. Step 3: Cross multiply
    65,262.56x = 97,890.48 × 38,259.89
  4. Step 4: Simplify right side
    65,262.56x = 3,745,278,996.85
  5. Step 5: Solve for x
    x = 3,745,278,996.85/65,262.56
  6. Step 6: Final answer
    x = 57,387.87

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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.