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Finding the Fourth Proportional to 65,790.68, 98,691.48 and 26,326.26

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Solution

The fourth proportional to 65,790.68, 98,691.48 and 26,326.26 is: 39,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,790.68 : 98,691.48 = 26,326.26 : x
  2. Step 2: Convert to fraction form
    65,790.68/98,691.48 = 26,326.26/x
  3. Step 3: Cross multiply
    65,790.68x = 98,691.48 × 26,326.26
  4. Step 4: Simplify right side
    65,790.68x = 2,598,177,562.26
  5. Step 5: Solve for x
    x = 2,598,177,562.26/65,790.68
  6. Step 6: Final answer
    x = 39,491.58

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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.