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Finding the Fourth Proportional to 54,583.44, 75,325.88 and 30,707.88

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Solution

The fourth proportional to 54,583.44, 75,325.88 and 30,707.88 is: 42,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,583.44 : 75,325.88 = 30,707.88 : x
  2. Step 2: Convert to fraction form
    54,583.44/75,325.88 = 30,707.88/x
  3. Step 3: Cross multiply
    54,583.44x = 75,325.88 × 30,707.88
  4. Step 4: Simplify right side
    54,583.44x = 2,313,098,083.93
  5. Step 5: Solve for x
    x = 2,313,098,083.93/54,583.44
  6. Step 6: Final answer
    x = 42,377.29

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Why These Related Problems?

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