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Finding the Fourth Proportional to 4,672.87, 6,448.86 and 2,576.99

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Solution

The fourth proportional to 4,672.87, 6,448.86 and 2,576.99 is: 3,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.87 : 6,448.86 = 2,576.99 : x
  2. Step 2: Convert to fraction form
    4,672.87/6,448.86 = 2,576.99/x
  3. Step 3: Cross multiply
    4,672.87x = 6,448.86 × 2,576.99
  4. Step 4: Simplify right side
    4,672.87x = 16,618,663.85
  5. Step 5: Solve for x
    x = 16,618,663.85/4,672.87
  6. Step 6: Final answer
    x = 3,556.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.