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Finding the Fourth Proportional to 3,756.76, 5,635.14 and 2,933.80

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Solution

The fourth proportional to 3,756.76, 5,635.14 and 2,933.80 is: 4,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.76 : 5,635.14 = 2,933.80 : x
  2. Step 2: Convert to fraction form
    3,756.76/5,635.14 = 2,933.80/x
  3. Step 3: Cross multiply
    3,756.76x = 5,635.14 × 2,933.80
  4. Step 4: Simplify right side
    3,756.76x = 16,532,373.73
  5. Step 5: Solve for x
    x = 16,532,373.73/3,756.76
  6. Step 6: Final answer
    x = 4,400.70

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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.