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Finding the Fourth Proportional to 4,891.15, 6,749.68 and 2,652.94

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Solution

The fourth proportional to 4,891.15, 6,749.68 and 2,652.94 is: 3,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.15 : 6,749.68 = 2,652.94 : x
  2. Step 2: Convert to fraction form
    4,891.15/6,749.68 = 2,652.94/x
  3. Step 3: Cross multiply
    4,891.15x = 6,749.68 × 2,652.94
  4. Step 4: Simplify right side
    4,891.15x = 17,906,449.05
  5. Step 5: Solve for x
    x = 17,906,449.05/4,891.15
  6. Step 6: Final answer
    x = 3,660.99

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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.