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Finding the Fourth Proportional to 11,075.87, 16,613.87 and 2,755.88

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Solution

The fourth proportional to 11,075.87, 16,613.87 and 2,755.88 is: 4,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.87 : 16,613.87 = 2,755.88 : x
  2. Step 2: Convert to fraction form
    11,075.87/16,613.87 = 2,755.88/x
  3. Step 3: Cross multiply
    11,075.87x = 16,613.87 × 2,755.88
  4. Step 4: Simplify right side
    11,075.87x = 45,785,859.81
  5. Step 5: Solve for x
    x = 45,785,859.81/11,075.87
  6. Step 6: Final answer
    x = 4,133.84

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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.