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Finding the Fourth Proportional to 31,094.31, 42,866.67 and 26,294.97

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Solution

The fourth proportional to 31,094.31, 42,866.67 and 26,294.97 is: 36,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,094.31 : 42,866.67 = 26,294.97 : x
  2. Step 2: Convert to fraction form
    31,094.31/42,866.67 = 26,294.97/x
  3. Step 3: Cross multiply
    31,094.31x = 42,866.67 × 26,294.97
  4. Step 4: Simplify right side
    31,094.31x = 1,127,177,801.65
  5. Step 5: Solve for x
    x = 1,127,177,801.65/31,094.31
  6. Step 6: Final answer
    x = 36,250.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.