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Finding the Fourth Proportional to 61,575.36, 92,330.08 and 31,963.36

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Solution

The fourth proportional to 61,575.36, 92,330.08 and 31,963.36 is: 47,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,575.36 : 92,330.08 = 31,963.36 : x
  2. Step 2: Convert to fraction form
    61,575.36/92,330.08 = 31,963.36/x
  3. Step 3: Cross multiply
    61,575.36x = 92,330.08 × 31,963.36
  4. Step 4: Simplify right side
    61,575.36x = 2,951,179,585.87
  5. Step 5: Solve for x
    x = 2,951,179,585.87/61,575.36
  6. Step 6: Final answer
    x = 47,927.93

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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.