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Finding the Fourth Proportional to 2,893.68, 4,315.11 and 2,867.37

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Solution

The fourth proportional to 2,893.68, 4,315.11 and 2,867.37 is: 4,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.68 : 4,315.11 = 2,867.37 : x
  2. Step 2: Convert to fraction form
    2,893.68/4,315.11 = 2,867.37/x
  3. Step 3: Cross multiply
    2,893.68x = 4,315.11 × 2,867.37
  4. Step 4: Simplify right side
    2,893.68x = 12,373,016.96
  5. Step 5: Solve for x
    x = 12,373,016.96/2,893.68
  6. Step 6: Final answer
    x = 4,275.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.