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Finding the Fourth Proportional to 29,375.44, 40,524.68 and 20,444.24

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Solution

The fourth proportional to 29,375.44, 40,524.68 and 20,444.24 is: 28,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.44 : 40,524.68 = 20,444.24 : x
  2. Step 2: Convert to fraction form
    29,375.44/40,524.68 = 20,444.24/x
  3. Step 3: Cross multiply
    29,375.44x = 40,524.68 × 20,444.24
  4. Step 4: Simplify right side
    29,375.44x = 828,496,283.84
  5. Step 5: Solve for x
    x = 828,496,283.84/29,375.44
  6. Step 6: Final answer
    x = 28,203.71

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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.