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Finding the Fourth Proportional to 31,191.88, 43,044.60 and 17,044.42

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Solution

The fourth proportional to 31,191.88, 43,044.60 and 17,044.42 is: 23,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.88 : 43,044.60 = 17,044.42 : x
  2. Step 2: Convert to fraction form
    31,191.88/43,044.60 = 17,044.42/x
  3. Step 3: Cross multiply
    31,191.88x = 43,044.60 × 17,044.42
  4. Step 4: Simplify right side
    31,191.88x = 733,670,241.13
  5. Step 5: Solve for x
    x = 733,670,241.13/31,191.88
  6. Step 6: Final answer
    x = 23,521.19

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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.