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Finding the Fourth Proportional to 7,260.41, 10,895.46 and 2,643.41

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Solution

The fourth proportional to 7,260.41, 10,895.46 and 2,643.41 is: 3,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.41 : 10,895.46 = 2,643.41 : x
  2. Step 2: Convert to fraction form
    7,260.41/10,895.46 = 2,643.41/x
  3. Step 3: Cross multiply
    7,260.41x = 10,895.46 × 2,643.41
  4. Step 4: Simplify right side
    7,260.41x = 28,801,167.92
  5. Step 5: Solve for x
    x = 28,801,167.92/7,260.41
  6. Step 6: Final answer
    x = 3,966.88

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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.