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Finding the Fourth Proportional to 54,780.39, 82,170.57 and 17,844.39

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Solution

The fourth proportional to 54,780.39, 82,170.57 and 17,844.39 is: 26,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.39 : 82,170.57 = 17,844.39 : x
  2. Step 2: Convert to fraction form
    54,780.39/82,170.57 = 17,844.39/x
  3. Step 3: Cross multiply
    54,780.39x = 82,170.57 × 17,844.39
  4. Step 4: Simplify right side
    54,780.39x = 1,466,283,697.60
  5. Step 5: Solve for x
    x = 1,466,283,697.60/54,780.39
  6. Step 6: Final answer
    x = 26,766.58

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1.5x scale

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.