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Finding the Fourth Proportional to 3,763.44, 5,620.14 and 3,722.76

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Solution

The fourth proportional to 3,763.44, 5,620.14 and 3,722.76 is: 5,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.44 : 5,620.14 = 3,722.76 : x
  2. Step 2: Convert to fraction form
    3,763.44/5,620.14 = 3,722.76/x
  3. Step 3: Cross multiply
    3,763.44x = 5,620.14 × 3,722.76
  4. Step 4: Simplify right side
    3,763.44x = 20,922,432.39
  5. Step 5: Solve for x
    x = 20,922,432.39/3,763.44
  6. Step 6: Final answer
    x = 5,559.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.