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Finding the Fourth Proportional to 32,578.88, 44,958.89 and 18,431.42

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Solution

The fourth proportional to 32,578.88, 44,958.89 and 18,431.42 is: 25,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,578.88 : 44,958.89 = 18,431.42 : x
  2. Step 2: Convert to fraction form
    32,578.88/44,958.89 = 18,431.42/x
  3. Step 3: Cross multiply
    32,578.88x = 44,958.89 × 18,431.42
  4. Step 4: Simplify right side
    32,578.88x = 828,656,005.61
  5. Step 5: Solve for x
    x = 828,656,005.61/32,578.88
  6. Step 6: Final answer
    x = 25,435.38

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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.