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Finding the Fourth Proportional to 6,287.88, 9,433.03 and 2,391.98

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Solution

The fourth proportional to 6,287.88, 9,433.03 and 2,391.98 is: 3,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.88 : 9,433.03 = 2,391.98 : x
  2. Step 2: Convert to fraction form
    6,287.88/9,433.03 = 2,391.98/x
  3. Step 3: Cross multiply
    6,287.88x = 9,433.03 × 2,391.98
  4. Step 4: Simplify right side
    6,287.88x = 22,563,619.10
  5. Step 5: Solve for x
    x = 22,563,619.10/6,287.88
  6. Step 6: Final answer
    x = 3,588.43

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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.