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Finding the Fourth Proportional to 11,075, 16,591.19 and 8,722.56

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Solution

The fourth proportional to 11,075, 16,591.19 and 8,722.56 is: 13,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075 : 16,591.19 = 8,722.56 : x
  2. Step 2: Convert to fraction form
    11,075/16,591.19 = 8,722.56/x
  3. Step 3: Cross multiply
    11,075x = 16,591.19 × 8,722.56
  4. Step 4: Simplify right side
    11,075x = 144,717,650.25
  5. Step 5: Solve for x
    x = 144,717,650.25/11,075
  6. Step 6: Final answer
    x = 13,067.06

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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.