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Finding the Fourth Proportional to 65,911.68, 98,842.68 and 23,780.52

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Solution

The fourth proportional to 65,911.68, 98,842.68 and 23,780.52 is: 35,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,911.68 : 98,842.68 = 23,780.52 : x
  2. Step 2: Convert to fraction form
    65,911.68/98,842.68 = 23,780.52/x
  3. Step 3: Cross multiply
    65,911.68x = 98,842.68 × 23,780.52
  4. Step 4: Simplify right side
    65,911.68x = 2,350,530,328.59
  5. Step 5: Solve for x
    x = 2,350,530,328.59/65,911.68
  6. Step 6: Final answer
    x = 35,661.82

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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.