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Finding the Fourth Proportional to 5,263.94, 7,264.20 and 2,873.90

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Solution

The fourth proportional to 5,263.94, 7,264.20 and 2,873.90 is: 3,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.94 : 7,264.20 = 2,873.90 : x
  2. Step 2: Convert to fraction form
    5,263.94/7,264.20 = 2,873.90/x
  3. Step 3: Cross multiply
    5,263.94x = 7,264.20 × 2,873.90
  4. Step 4: Simplify right side
    5,263.94x = 20,876,584.38
  5. Step 5: Solve for x
    x = 20,876,584.38/5,263.94
  6. Step 6: Final answer
    x = 3,965.96

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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.