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Finding the Fourth Proportional to 5,787.74, 8,676.74 and 3,933.65

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Solution

The fourth proportional to 5,787.74, 8,676.74 and 3,933.65 is: 5,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.74 : 8,676.74 = 3,933.65 : x
  2. Step 2: Convert to fraction form
    5,787.74/8,676.74 = 3,933.65/x
  3. Step 3: Cross multiply
    5,787.74x = 8,676.74 × 3,933.65
  4. Step 4: Simplify right side
    5,787.74x = 34,131,195.25
  5. Step 5: Solve for x
    x = 34,131,195.25/5,787.74
  6. Step 6: Final answer
    x = 5,897.16

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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.