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Finding the Fourth Proportional to 31,191.63, 43,044.66 and 17,044.71

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Solution

The fourth proportional to 31,191.63, 43,044.66 and 17,044.71 is: 23,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.63 : 43,044.66 = 17,044.71 : x
  2. Step 2: Convert to fraction form
    31,191.63/43,044.66 = 17,044.71/x
  3. Step 3: Cross multiply
    31,191.63x = 43,044.66 × 17,044.71
  4. Step 4: Simplify right side
    31,191.63x = 733,683,746.75
  5. Step 5: Solve for x
    x = 733,683,746.75/31,191.63
  6. Step 6: Final answer
    x = 23,521.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.