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Finding the Fourth Proportional to 54,993.74, 82,480.07 and 15,541.34

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Solution

The fourth proportional to 54,993.74, 82,480.07 and 15,541.34 is: 23,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,993.74 : 82,480.07 = 15,541.34 : x
  2. Step 2: Convert to fraction form
    54,993.74/82,480.07 = 15,541.34/x
  3. Step 3: Cross multiply
    54,993.74x = 82,480.07 × 15,541.34
  4. Step 4: Simplify right side
    54,993.74x = 1,281,850,437.55
  5. Step 5: Solve for x
    x = 1,281,850,437.55/54,993.74
  6. Step 6: Final answer
    x = 23,309.03

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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.