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Finding the Fourth Proportional to 5,849.81, 8,753.87 and 4,687.28

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Solution

The fourth proportional to 5,849.81, 8,753.87 and 4,687.28 is: 7,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,849.81 : 8,753.87 = 4,687.28 : x
  2. Step 2: Convert to fraction form
    5,849.81/8,753.87 = 4,687.28/x
  3. Step 3: Cross multiply
    5,849.81x = 8,753.87 × 4,687.28
  4. Step 4: Simplify right side
    5,849.81x = 41,031,772.57
  5. Step 5: Solve for x
    x = 41,031,772.57/5,849.81
  6. Step 6: Final answer
    x = 7,014.21

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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.