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Finding the Fourth Proportional to 5,827.71, 8,042.23 and 3,175.11

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Solution

The fourth proportional to 5,827.71, 8,042.23 and 3,175.11 is: 4,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.71 : 8,042.23 = 3,175.11 : x
  2. Step 2: Convert to fraction form
    5,827.71/8,042.23 = 3,175.11/x
  3. Step 3: Cross multiply
    5,827.71x = 8,042.23 × 3,175.11
  4. Step 4: Simplify right side
    5,827.71x = 25,534,964.90
  5. Step 5: Solve for x
    x = 25,534,964.90/5,827.71
  6. Step 6: Final answer
    x = 4,381.65

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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.