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Finding the Fourth Proportional to 65,922.80, 98,840.52 and 36,354.80

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Solution

The fourth proportional to 65,922.80, 98,840.52 and 36,354.80 is: 54,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,922.80 : 98,840.52 = 36,354.80 : x
  2. Step 2: Convert to fraction form
    65,922.80/98,840.52 = 36,354.80/x
  3. Step 3: Cross multiply
    65,922.80x = 98,840.52 × 36,354.80
  4. Step 4: Simplify right side
    65,922.80x = 3,593,327,336.50
  5. Step 5: Solve for x
    x = 3,593,327,336.50/65,922.80
  6. Step 6: Final answer
    x = 54,508.11

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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.