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Finding the Fourth Proportional to 54,888.78, 82,338.03 and 15,446.24

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Solution

The fourth proportional to 54,888.78, 82,338.03 and 15,446.24 is: 23,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,888.78 : 82,338.03 = 15,446.24 : x
  2. Step 2: Convert to fraction form
    54,888.78/82,338.03 = 15,446.24/x
  3. Step 3: Cross multiply
    54,888.78x = 82,338.03 × 15,446.24
  4. Step 4: Simplify right side
    54,888.78x = 1,271,812,560.82
  5. Step 5: Solve for x
    x = 1,271,812,560.82/54,888.78
  6. Step 6: Final answer
    x = 23,170.72

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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.