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Finding the Fourth Proportional to 65,652.20, 98,503.11 and 25,699.73

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Solution

The fourth proportional to 65,652.20, 98,503.11 and 25,699.73 is: 38,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,652.20 : 98,503.11 = 25,699.73 : x
  2. Step 2: Convert to fraction form
    65,652.20/98,503.11 = 25,699.73/x
  3. Step 3: Cross multiply
    65,652.20x = 98,503.11 × 25,699.73
  4. Step 4: Simplify right side
    65,652.20x = 2,531,503,331.16
  5. Step 5: Solve for x
    x = 2,531,503,331.16/65,652.20
  6. Step 6: Final answer
    x = 38,559.31

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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.