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Finding the Fourth Proportional to 61,395.52, 92,142.48 and 31,821.82

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Solution

The fourth proportional to 61,395.52, 92,142.48 and 31,821.82 is: 47,758.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,395.52 : 92,142.48 = 31,821.82 : x
  2. Step 2: Convert to fraction form
    61,395.52/92,142.48 = 31,821.82/x
  3. Step 3: Cross multiply
    61,395.52x = 92,142.48 × 31,821.82
  4. Step 4: Simplify right side
    61,395.52x = 2,932,141,412.91
  5. Step 5: Solve for x
    x = 2,932,141,412.91/61,395.52
  6. Step 6: Final answer
    x = 47,758.23

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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.