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Finding the Fourth Proportional to 63,841, 95,761.50 and 20,065

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Solution

The fourth proportional to 63,841, 95,761.50 and 20,065 is: 30,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,841 : 95,761.50 = 20,065 : x
  2. Step 2: Convert to fraction form
    63,841/95,761.50 = 20,065/x
  3. Step 3: Cross multiply
    63,841x = 95,761.50 × 20,065
  4. Step 4: Simplify right side
    63,841x = 1,921,454,497.50
  5. Step 5: Solve for x
    x = 1,921,454,497.50/63,841
  6. Step 6: Final answer
    x = 30,097.50

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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.