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Finding the Fourth Proportional to 28,169.34, 38,843.46 and 23,741.88

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Solution

The fourth proportional to 28,169.34, 38,843.46 and 23,741.88 is: 32,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.34 : 38,843.46 = 23,741.88 : x
  2. Step 2: Convert to fraction form
    28,169.34/38,843.46 = 23,741.88/x
  3. Step 3: Cross multiply
    28,169.34x = 38,843.46 × 23,741.88
  4. Step 4: Simplify right side
    28,169.34x = 922,216,766.10
  5. Step 5: Solve for x
    x = 922,216,766.10/28,169.34
  6. Step 6: Final answer
    x = 32,738.32

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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.