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Finding the Fourth Proportional to 48,809.87, 67,361.04 and 27,589.31

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Solution

The fourth proportional to 48,809.87, 67,361.04 and 27,589.31 is: 38,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,809.87 : 67,361.04 = 27,589.31 : x
  2. Step 2: Convert to fraction form
    48,809.87/67,361.04 = 27,589.31/x
  3. Step 3: Cross multiply
    48,809.87x = 67,361.04 × 27,589.31
  4. Step 4: Simplify right side
    48,809.87x = 1,858,444,277.68
  5. Step 5: Solve for x
    x = 1,858,444,277.68/48,809.87
  6. Step 6: Final answer
    x = 38,075.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.