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Finding the Fourth Proportional to 32,540.80, 44,905.15 and 18,393.34

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Solution

The fourth proportional to 32,540.80, 44,905.15 and 18,393.34 is: 25,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,540.80 : 44,905.15 = 18,393.34 : x
  2. Step 2: Convert to fraction form
    32,540.80/44,905.15 = 18,393.34/x
  3. Step 3: Cross multiply
    32,540.80x = 44,905.15 × 18,393.34
  4. Step 4: Simplify right side
    32,540.80x = 825,955,691.70
  5. Step 5: Solve for x
    x = 825,955,691.70/32,540.80
  6. Step 6: Final answer
    x = 25,382.16

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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.