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Finding the Fourth Proportional to 65,558.80, 98,411.10 and 36,034.30

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Solution

The fourth proportional to 65,558.80, 98,411.10 and 36,034.30 is: 54,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,558.80 : 98,411.10 = 36,034.30 : x
  2. Step 2: Convert to fraction form
    65,558.80/98,411.10 = 36,034.30/x
  3. Step 3: Cross multiply
    65,558.80x = 98,411.10 × 36,034.30
  4. Step 4: Simplify right side
    65,558.80x = 3,546,175,100.73
  5. Step 5: Solve for x
    x = 3,546,175,100.73/65,558.80
  6. Step 6: Final answer
    x = 54,091.52

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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.