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Finding the Fourth Proportional to 5,862.51, 8,787.56 and 3,641.31

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Solution

The fourth proportional to 5,862.51, 8,787.56 and 3,641.31 is: 5,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.51 : 8,787.56 = 3,641.31 : x
  2. Step 2: Convert to fraction form
    5,862.51/8,787.56 = 3,641.31/x
  3. Step 3: Cross multiply
    5,862.51x = 8,787.56 × 3,641.31
  4. Step 4: Simplify right side
    5,862.51x = 31,998,211.90
  5. Step 5: Solve for x
    x = 31,998,211.90/5,862.51
  6. Step 6: Final answer
    x = 5,458.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.