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Finding the Fourth Proportional to 4,893.92, 6,753.59 and 2,655.78

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Solution

The fourth proportional to 4,893.92, 6,753.59 and 2,655.78 is: 3,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.92 : 6,753.59 = 2,655.78 : x
  2. Step 2: Convert to fraction form
    4,893.92/6,753.59 = 2,655.78/x
  3. Step 3: Cross multiply
    4,893.92x = 6,753.59 × 2,655.78
  4. Step 4: Simplify right side
    4,893.92x = 17,936,049.25
  5. Step 5: Solve for x
    x = 17,936,049.25/4,893.92
  6. Step 6: Final answer
    x = 3,664.97

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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.