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Finding the Fourth Proportional to 48,381.22, 66,766.03 and 27,160.53

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Solution

The fourth proportional to 48,381.22, 66,766.03 and 27,160.53 is: 37,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.22 : 66,766.03 = 27,160.53 : x
  2. Step 2: Convert to fraction form
    48,381.22/66,766.03 = 27,160.53/x
  3. Step 3: Cross multiply
    48,381.22x = 66,766.03 × 27,160.53
  4. Step 4: Simplify right side
    48,381.22x = 1,813,400,760.80
  5. Step 5: Solve for x
    x = 1,813,400,760.80/48,381.22
  6. Step 6: Final answer
    x = 37,481.50

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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.