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Finding the Fourth Proportional to 31,360.73, 43,340.02 and 25,686.49

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Solution

The fourth proportional to 31,360.73, 43,340.02 and 25,686.49 is: 35,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.73 : 43,340.02 = 25,686.49 : x
  2. Step 2: Convert to fraction form
    31,360.73/43,340.02 = 25,686.49/x
  3. Step 3: Cross multiply
    31,360.73x = 43,340.02 × 25,686.49
  4. Step 4: Simplify right side
    31,360.73x = 1,113,252,764.72
  5. Step 5: Solve for x
    x = 1,113,252,764.72/31,360.73
  6. Step 6: Final answer
    x = 35,498.31

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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.