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Finding the Fourth Proportional to 65,812.37, 98,737.68 and 23,691.69

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Solution

The fourth proportional to 65,812.37, 98,737.68 and 23,691.69 is: 35,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,812.37 : 98,737.68 = 23,691.69 : x
  2. Step 2: Convert to fraction form
    65,812.37/98,737.68 = 23,691.69/x
  3. Step 3: Cross multiply
    65,812.37x = 98,737.68 × 23,691.69
  4. Step 4: Simplify right side
    65,812.37x = 2,339,262,594.72
  5. Step 5: Solve for x
    x = 2,339,262,594.72/65,812.37
  6. Step 6: Final answer
    x = 35,544.42

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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.