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Finding the Fourth Proportional to 5,787.18, 8,668.65 and 4,797.65

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Solution

The fourth proportional to 5,787.18, 8,668.65 and 4,797.65 is: 7,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.18 : 8,668.65 = 4,797.65 : x
  2. Step 2: Convert to fraction form
    5,787.18/8,668.65 = 4,797.65/x
  3. Step 3: Cross multiply
    5,787.18x = 8,668.65 × 4,797.65
  4. Step 4: Simplify right side
    5,787.18x = 41,589,139.57
  5. Step 5: Solve for x
    x = 41,589,139.57/5,787.18
  6. Step 6: Final answer
    x = 7,186.43

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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.