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Finding the Fourth Proportional to 65,917.80, 98,833.02 and 36,349.80

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Solution

The fourth proportional to 65,917.80, 98,833.02 and 36,349.80 is: 54,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.80 : 98,833.02 = 36,349.80 : x
  2. Step 2: Convert to fraction form
    65,917.80/98,833.02 = 36,349.80/x
  3. Step 3: Cross multiply
    65,917.80x = 98,833.02 × 36,349.80
  4. Step 4: Simplify right side
    65,917.80x = 3,592,560,510.40
  5. Step 5: Solve for x
    x = 3,592,560,510.40/65,917.80
  6. Step 6: Final answer
    x = 54,500.61

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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.