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Finding the Fourth Proportional to 65,804.16, 98,691.66 and 26,350.68

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Solution

The fourth proportional to 65,804.16, 98,691.66 and 26,350.68 is: 39,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,804.16 : 98,691.66 = 26,350.68 : x
  2. Step 2: Convert to fraction form
    65,804.16/98,691.66 = 26,350.68/x
  3. Step 3: Cross multiply
    65,804.16x = 98,691.66 × 26,350.68
  4. Step 4: Simplify right side
    65,804.16x = 2,600,592,351.33
  5. Step 5: Solve for x
    x = 2,600,592,351.33/65,804.16
  6. Step 6: Final answer
    x = 39,520.18

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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.