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Finding the Fourth Proportional to 65,046.22, 89,765.52 and 36,751.30

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Solution

The fourth proportional to 65,046.22, 89,765.52 and 36,751.30 is: 50,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,046.22 : 89,765.52 = 36,751.30 : x
  2. Step 2: Convert to fraction form
    65,046.22/89,765.52 = 36,751.30/x
  3. Step 3: Cross multiply
    65,046.22x = 89,765.52 × 36,751.30
  4. Step 4: Simplify right side
    65,046.22x = 3,298,999,555.18
  5. Step 5: Solve for x
    x = 3,298,999,555.18/65,046.22
  6. Step 6: Final answer
    x = 50,717.78

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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.