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Finding the Fourth Proportional to 11,093.28, 16,640.04 and 2,885.28

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Solution

The fourth proportional to 11,093.28, 16,640.04 and 2,885.28 is: 4,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.28 : 16,640.04 = 2,885.28 : x
  2. Step 2: Convert to fraction form
    11,093.28/16,640.04 = 2,885.28/x
  3. Step 3: Cross multiply
    11,093.28x = 16,640.04 × 2,885.28
  4. Step 4: Simplify right side
    11,093.28x = 48,011,174.61
  5. Step 5: Solve for x
    x = 48,011,174.61/11,093.28
  6. Step 6: Final answer
    x = 4,327.95

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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.