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Finding the Fourth Proportional to 2,685.34, 4,028.01 and 737.83

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Solution

The fourth proportional to 2,685.34, 4,028.01 and 737.83 is: 1,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.34 : 4,028.01 = 737.83 : x
  2. Step 2: Convert to fraction form
    2,685.34/4,028.01 = 737.83/x
  3. Step 3: Cross multiply
    2,685.34x = 4,028.01 × 737.83
  4. Step 4: Simplify right side
    2,685.34x = 2,971,986.62
  5. Step 5: Solve for x
    x = 2,971,986.62/2,685.34
  6. Step 6: Final answer
    x = 1,106.75

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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.