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Finding the Fourth Proportional to 55,193.49, 82,791 and 15,750.60

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Solution

The fourth proportional to 55,193.49, 82,791 and 15,750.60 is: 23,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,193.49 : 82,791 = 15,750.60 : x
  2. Step 2: Convert to fraction form
    55,193.49/82,791 = 15,750.60/x
  3. Step 3: Cross multiply
    55,193.49x = 82,791 × 15,750.60
  4. Step 4: Simplify right side
    55,193.49x = 1,304,007,924.60
  5. Step 5: Solve for x
    x = 1,304,007,924.60/55,193.49
  6. Step 6: Final answer
    x = 23,626.12

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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.