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Finding the Fourth Proportional to 4,893.78, 6,753.30 and 2,655.56

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Solution

The fourth proportional to 4,893.78, 6,753.30 and 2,655.56 is: 3,664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.78 : 6,753.30 = 2,655.56 : x
  2. Step 2: Convert to fraction form
    4,893.78/6,753.30 = 2,655.56/x
  3. Step 3: Cross multiply
    4,893.78x = 6,753.30 × 2,655.56
  4. Step 4: Simplify right side
    4,893.78x = 17,933,793.35
  5. Step 5: Solve for x
    x = 17,933,793.35/4,893.78
  6. Step 6: Final answer
    x = 3,664.61

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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.