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Finding the Fourth Proportional to 11,474.70, 17,212.05 and 11,037.30

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Solution

The fourth proportional to 11,474.70, 17,212.05 and 11,037.30 is: 16,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.70 : 17,212.05 = 11,037.30 : x
  2. Step 2: Convert to fraction form
    11,474.70/17,212.05 = 11,037.30/x
  3. Step 3: Cross multiply
    11,474.70x = 17,212.05 × 11,037.30
  4. Step 4: Simplify right side
    11,474.70x = 189,974,559.47
  5. Step 5: Solve for x
    x = 189,974,559.47/11,474.70
  6. Step 6: Final answer
    x = 16,555.95

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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.