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Finding the Fourth Proportional to 11,160.99, 16,741.49 and 5,299.83

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Solution

The fourth proportional to 11,160.99, 16,741.49 and 5,299.83 is: 7,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.99 : 16,741.49 = 5,299.83 : x
  2. Step 2: Convert to fraction form
    11,160.99/16,741.49 = 5,299.83/x
  3. Step 3: Cross multiply
    11,160.99x = 16,741.49 × 5,299.83
  4. Step 4: Simplify right side
    11,160.99x = 88,727,024.45
  5. Step 5: Solve for x
    x = 88,727,024.45/11,160.99
  6. Step 6: Final answer
    x = 7,949.75

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Half scale
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Double scale
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Similar ratio
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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.