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Finding the Fourth Proportional to 5,773.16, 8,660.43 and 2,075.09

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Solution

The fourth proportional to 5,773.16, 8,660.43 and 2,075.09 is: 3,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,773.16 : 8,660.43 = 2,075.09 : x
  2. Step 2: Convert to fraction form
    5,773.16/8,660.43 = 2,075.09/x
  3. Step 3: Cross multiply
    5,773.16x = 8,660.43 × 2,075.09
  4. Step 4: Simplify right side
    5,773.16x = 17,971,128.39
  5. Step 5: Solve for x
    x = 17,971,128.39/5,773.16
  6. Step 6: Final answer
    x = 3,112.87

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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.