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Finding the Fourth Proportional to 49,761, 74,641.50 and 27,568.08

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Solution

The fourth proportional to 49,761, 74,641.50 and 27,568.08 is: 41,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,761 : 74,641.50 = 27,568.08 : x
  2. Step 2: Convert to fraction form
    49,761/74,641.50 = 27,568.08/x
  3. Step 3: Cross multiply
    49,761x = 74,641.50 × 27,568.08
  4. Step 4: Simplify right side
    49,761x = 2,057,722,843.32
  5. Step 5: Solve for x
    x = 2,057,722,843.32/49,761
  6. Step 6: Final answer
    x = 41,352.12

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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.