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Finding the Fourth Proportional to 7,247.44, 10,866.84 and 2,866.96

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Solution

The fourth proportional to 7,247.44, 10,866.84 and 2,866.96 is: 4,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.44 : 10,866.84 = 2,866.96 : x
  2. Step 2: Convert to fraction form
    7,247.44/10,866.84 = 2,866.96/x
  3. Step 3: Cross multiply
    7,247.44x = 10,866.84 × 2,866.96
  4. Step 4: Simplify right side
    7,247.44x = 31,154,795.61
  5. Step 5: Solve for x
    x = 31,154,795.61/7,247.44
  6. Step 6: Final answer
    x = 4,298.73

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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.