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Finding the Fourth Proportional to 3,667.30, 5,500.90 and 893.97

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Solution

The fourth proportional to 3,667.30, 5,500.90 and 893.97 is: 1,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667.30 : 5,500.90 = 893.97 : x
  2. Step 2: Convert to fraction form
    3,667.30/5,500.90 = 893.97/x
  3. Step 3: Cross multiply
    3,667.30x = 5,500.90 × 893.97
  4. Step 4: Simplify right side
    3,667.30x = 4,917,639.57
  5. Step 5: Solve for x
    x = 4,917,639.57/3,667.30
  6. Step 6: Final answer
    x = 1,340.94

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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.