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Finding the Fourth Proportional to 31,191.60, 43,044.36 and 17,044.44

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Solution

The fourth proportional to 31,191.60, 43,044.36 and 17,044.44 is: 23,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.60 : 43,044.36 = 17,044.44 : x
  2. Step 2: Convert to fraction form
    31,191.60/43,044.36 = 17,044.44/x
  3. Step 3: Cross multiply
    31,191.60x = 43,044.36 × 17,044.44
  4. Step 4: Simplify right side
    31,191.60x = 733,667,011.36
  5. Step 5: Solve for x
    x = 733,667,011.36/31,191.60
  6. Step 6: Final answer
    x = 23,521.30

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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.