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Finding the Fourth Proportional to 61,295.20, 91,983.84 and 26,243.44

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Solution

The fourth proportional to 61,295.20, 91,983.84 and 26,243.44 is: 39,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,295.20 : 91,983.84 = 26,243.44 : x
  2. Step 2: Convert to fraction form
    61,295.20/91,983.84 = 26,243.44/x
  3. Step 3: Cross multiply
    61,295.20x = 91,983.84 × 26,243.44
  4. Step 4: Simplify right side
    61,295.20x = 2,413,972,386.01
  5. Step 5: Solve for x
    x = 2,413,972,386.01/61,295.20
  6. Step 6: Final answer
    x = 39,382.73

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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.