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Finding the Fourth Proportional to 4,252.88, 5,868.97 and 2,389.88

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Solution

The fourth proportional to 4,252.88, 5,868.97 and 2,389.88 is: 3,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.88 : 5,868.97 = 2,389.88 : x
  2. Step 2: Convert to fraction form
    4,252.88/5,868.97 = 2,389.88/x
  3. Step 3: Cross multiply
    4,252.88x = 5,868.97 × 2,389.88
  4. Step 4: Simplify right side
    4,252.88x = 14,026,134.02
  5. Step 5: Solve for x
    x = 14,026,134.02/4,252.88
  6. Step 6: Final answer
    x = 3,298.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.