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Finding the Fourth Proportional to 4,889.28, 6,747.08 and 2,651.10

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Solution

The fourth proportional to 4,889.28, 6,747.08 and 2,651.10 is: 3,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.28 : 6,747.08 = 2,651.10 : x
  2. Step 2: Convert to fraction form
    4,889.28/6,747.08 = 2,651.10/x
  3. Step 3: Cross multiply
    4,889.28x = 6,747.08 × 2,651.10
  4. Step 4: Simplify right side
    4,889.28x = 17,887,183.79
  5. Step 5: Solve for x
    x = 17,887,183.79/4,889.28
  6. Step 6: Final answer
    x = 3,658.45

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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.