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Finding the Fourth Proportional to 2,876.04, 4,310.44 and 1,230.64

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Solution

The fourth proportional to 2,876.04, 4,310.44 and 1,230.64 is: 1,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.04 : 4,310.44 = 1,230.64 : x
  2. Step 2: Convert to fraction form
    2,876.04/4,310.44 = 1,230.64/x
  3. Step 3: Cross multiply
    2,876.04x = 4,310.44 × 1,230.64
  4. Step 4: Simplify right side
    2,876.04x = 5,304,599.88
  5. Step 5: Solve for x
    x = 5,304,599.88/2,876.04
  6. Step 6: Final answer
    x = 1,844.41

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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.