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Finding the Fourth Proportional to 54,201.70, 81,302.55 and 41,079.70

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Solution

The fourth proportional to 54,201.70, 81,302.55 and 41,079.70 is: 61,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,201.70 : 81,302.55 = 41,079.70 : x
  2. Step 2: Convert to fraction form
    54,201.70/81,302.55 = 41,079.70/x
  3. Step 3: Cross multiply
    54,201.70x = 81,302.55 × 41,079.70
  4. Step 4: Simplify right side
    54,201.70x = 3,339,884,363.24
  5. Step 5: Solve for x
    x = 3,339,884,363.24/54,201.70
  6. Step 6: Final answer
    x = 61,619.55

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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.