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Finding the Fourth Proportional to 4,491.99, 6,735.24 and 1,715.72

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Solution

The fourth proportional to 4,491.99, 6,735.24 and 1,715.72 is: 2,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.99 : 6,735.24 = 1,715.72 : x
  2. Step 2: Convert to fraction form
    4,491.99/6,735.24 = 1,715.72/x
  3. Step 3: Cross multiply
    4,491.99x = 6,735.24 × 1,715.72
  4. Step 4: Simplify right side
    4,491.99x = 11,555,752.30
  5. Step 5: Solve for x
    x = 11,555,752.30/4,491.99
  6. Step 6: Final answer
    x = 2,572.52

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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.