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Finding the Fourth Proportional to 38,568.80, 57,766.80 and 23,016.80

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Solution

The fourth proportional to 38,568.80, 57,766.80 and 23,016.80 is: 34,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568.80 : 57,766.80 = 23,016.80 : x
  2. Step 2: Convert to fraction form
    38,568.80/57,766.80 = 23,016.80/x
  3. Step 3: Cross multiply
    38,568.80x = 57,766.80 × 23,016.80
  4. Step 4: Simplify right side
    38,568.80x = 1,329,606,882.24
  5. Step 5: Solve for x
    x = 1,329,606,882.24/38,568.80
  6. Step 6: Final answer
    x = 34,473.64

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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.