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Finding the Fourth Proportional to 4,866.75, 7,299.72 and 1,404

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Solution

The fourth proportional to 4,866.75, 7,299.72 and 1,404 is: 2,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.75 : 7,299.72 = 1,404 : x
  2. Step 2: Convert to fraction form
    4,866.75/7,299.72 = 1,404/x
  3. Step 3: Cross multiply
    4,866.75x = 7,299.72 × 1,404
  4. Step 4: Simplify right side
    4,866.75x = 10,248,806.88
  5. Step 5: Solve for x
    x = 10,248,806.88/4,866.75
  6. Step 6: Final answer
    x = 2,105.88

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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.