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Finding the Fourth Proportional to 54,992.68, 82,478.66 and 15,549.48

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Solution

The fourth proportional to 54,992.68, 82,478.66 and 15,549.48 is: 23,321.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,992.68 : 82,478.66 = 15,549.48 : x
  2. Step 2: Convert to fraction form
    54,992.68/82,478.66 = 15,549.48/x
  3. Step 3: Cross multiply
    54,992.68x = 82,478.66 × 15,549.48
  4. Step 4: Simplify right side
    54,992.68x = 1,282,500,274.10
  5. Step 5: Solve for x
    x = 1,282,500,274.10/54,992.68
  6. Step 6: Final answer
    x = 23,321.29

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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.