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Finding the Fourth Proportional to 4,889.14, 6,747 and 2,650.88

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Solution

The fourth proportional to 4,889.14, 6,747 and 2,650.88 is: 3,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.14 : 6,747 = 2,650.88 : x
  2. Step 2: Convert to fraction form
    4,889.14/6,747 = 2,650.88/x
  3. Step 3: Cross multiply
    4,889.14x = 6,747 × 2,650.88
  4. Step 4: Simplify right side
    4,889.14x = 17,885,487.36
  5. Step 5: Solve for x
    x = 17,885,487.36/4,889.14
  6. Step 6: Final answer
    x = 3,658.21

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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.