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Finding the Fourth Proportional to 3,764.20, 5,624.22 and 3,764.20

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Solution

The fourth proportional to 3,764.20, 5,624.22 and 3,764.20 is: 5,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.20 : 5,624.22 = 3,764.20 : x
  2. Step 2: Convert to fraction form
    3,764.20/5,624.22 = 3,764.20/x
  3. Step 3: Cross multiply
    3,764.20x = 5,624.22 × 3,764.20
  4. Step 4: Simplify right side
    3,764.20x = 21,170,688.92
  5. Step 5: Solve for x
    x = 21,170,688.92/3,764.20
  6. Step 6: Final answer
    x = 5,624.22

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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.