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Finding the Fourth Proportional to 3,666.92, 5,493.98 and 3,054.56

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Solution

The fourth proportional to 3,666.92, 5,493.98 and 3,054.56 is: 4,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.92 : 5,493.98 = 3,054.56 : x
  2. Step 2: Convert to fraction form
    3,666.92/5,493.98 = 3,054.56/x
  3. Step 3: Cross multiply
    3,666.92x = 5,493.98 × 3,054.56
  4. Step 4: Simplify right side
    3,666.92x = 16,781,691.55
  5. Step 5: Solve for x
    x = 16,781,691.55/3,666.92
  6. Step 6: Final answer
    x = 4,576.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.