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Finding the Fourth Proportional to 3,667.28, 5,500.91 and 893.95

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Solution

The fourth proportional to 3,667.28, 5,500.91 and 893.95 is: 1,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667.28 : 5,500.91 = 893.95 : x
  2. Step 2: Convert to fraction form
    3,667.28/5,500.91 = 893.95/x
  3. Step 3: Cross multiply
    3,667.28x = 5,500.91 × 893.95
  4. Step 4: Simplify right side
    3,667.28x = 4,917,526.98
  5. Step 5: Solve for x
    x = 4,917,526.98/3,667.28
  6. Step 6: Final answer
    x = 1,340.92

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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.