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Finding the Fourth Proportional to 11,104.57, 16,656.84 and 2,896.57

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Solution

The fourth proportional to 11,104.57, 16,656.84 and 2,896.57 is: 4,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.57 : 16,656.84 = 2,896.57 : x
  2. Step 2: Convert to fraction form
    11,104.57/16,656.84 = 2,896.57/x
  3. Step 3: Cross multiply
    11,104.57x = 16,656.84 × 2,896.57
  4. Step 4: Simplify right side
    11,104.57x = 48,247,703.04
  5. Step 5: Solve for x
    x = 48,247,703.04/11,104.57
  6. Step 6: Final answer
    x = 4,344.85

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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.