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Finding the Fourth Proportional to 5,073.64, 7,001.06 and 2,865.64

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Solution

The fourth proportional to 5,073.64, 7,001.06 and 2,865.64 is: 3,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,073.64 : 7,001.06 = 2,865.64 : x
  2. Step 2: Convert to fraction form
    5,073.64/7,001.06 = 2,865.64/x
  3. Step 3: Cross multiply
    5,073.64x = 7,001.06 × 2,865.64
  4. Step 4: Simplify right side
    5,073.64x = 20,062,517.58
  5. Step 5: Solve for x
    x = 20,062,517.58/5,073.64
  6. Step 6: Final answer
    x = 3,954.27

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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.