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Finding the Fourth Proportional to 61,760.52, 92,640.72 and 22,317.48

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Solution

The fourth proportional to 61,760.52, 92,640.72 and 22,317.48 is: 33,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,760.52 : 92,640.72 = 22,317.48 : x
  2. Step 2: Convert to fraction form
    61,760.52/92,640.72 = 22,317.48/x
  3. Step 3: Cross multiply
    61,760.52x = 92,640.72 × 22,317.48
  4. Step 4: Simplify right side
    61,760.52x = 2,067,507,415.79
  5. Step 5: Solve for x
    x = 2,067,507,415.79/61,760.52
  6. Step 6: Final answer
    x = 33,476.20

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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.