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Finding the Fourth Proportional to 3,806.32, 5,709.48 and 1,497.82

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Solution

The fourth proportional to 3,806.32, 5,709.48 and 1,497.82 is: 2,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.32 : 5,709.48 = 1,497.82 : x
  2. Step 2: Convert to fraction form
    3,806.32/5,709.48 = 1,497.82/x
  3. Step 3: Cross multiply
    3,806.32x = 5,709.48 × 1,497.82
  4. Step 4: Simplify right side
    3,806.32x = 8,551,744.79
  5. Step 5: Solve for x
    x = 8,551,744.79/3,806.32
  6. Step 6: Final answer
    x = 2,246.73

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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.