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Finding the Fourth Proportional to 31,935.92, 44,072.04 and 18,326.18

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Solution

The fourth proportional to 31,935.92, 44,072.04 and 18,326.18 is: 25,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.92 : 44,072.04 = 18,326.18 : x
  2. Step 2: Convert to fraction form
    31,935.92/44,072.04 = 18,326.18/x
  3. Step 3: Cross multiply
    31,935.92x = 44,072.04 × 18,326.18
  4. Step 4: Simplify right side
    31,935.92x = 807,671,917.65
  5. Step 5: Solve for x
    x = 807,671,917.65/31,935.92
  6. Step 6: Final answer
    x = 25,290.40

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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.