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Finding the Fourth Proportional to 32,521.44, 44,879.76 and 18,375.60

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Solution

The fourth proportional to 32,521.44, 44,879.76 and 18,375.60 is: 25,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,521.44 : 44,879.76 = 18,375.60 : x
  2. Step 2: Convert to fraction form
    32,521.44/44,879.76 = 18,375.60/x
  3. Step 3: Cross multiply
    32,521.44x = 44,879.76 × 18,375.60
  4. Step 4: Simplify right side
    32,521.44x = 824,692,517.86
  5. Step 5: Solve for x
    x = 824,692,517.86/32,521.44
  6. Step 6: Final answer
    x = 25,358.43

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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.