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Finding the Fourth Proportional to 11,101.44, 16,658.45 and 4,080.54

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Solution

The fourth proportional to 11,101.44, 16,658.45 and 4,080.54 is: 6,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.44 : 16,658.45 = 4,080.54 : x
  2. Step 2: Convert to fraction form
    11,101.44/16,658.45 = 4,080.54/x
  3. Step 3: Cross multiply
    11,101.44x = 16,658.45 × 4,080.54
  4. Step 4: Simplify right side
    11,101.44x = 67,975,471.56
  5. Step 5: Solve for x
    x = 67,975,471.56/11,101.44
  6. Step 6: Final answer
    x = 6,123.12

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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.