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Finding the Fourth Proportional to 54,750.44, 82,125.60 and 13,197.44

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Solution

The fourth proportional to 54,750.44, 82,125.60 and 13,197.44 is: 19,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,750.44 : 82,125.60 = 13,197.44 : x
  2. Step 2: Convert to fraction form
    54,750.44/82,125.60 = 13,197.44/x
  3. Step 3: Cross multiply
    54,750.44x = 82,125.60 × 13,197.44
  4. Step 4: Simplify right side
    54,750.44x = 1,083,847,678.46
  5. Step 5: Solve for x
    x = 1,083,847,678.46/54,750.44
  6. Step 6: Final answer
    x = 19,796.15

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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.