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Finding the Fourth Proportional to 7,352.76, 11,019.83 and 3,448.56

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Solution

The fourth proportional to 7,352.76, 11,019.83 and 3,448.56 is: 5,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.76 : 11,019.83 = 3,448.56 : x
  2. Step 2: Convert to fraction form
    7,352.76/11,019.83 = 3,448.56/x
  3. Step 3: Cross multiply
    7,352.76x = 11,019.83 × 3,448.56
  4. Step 4: Simplify right side
    7,352.76x = 38,002,544.94
  5. Step 5: Solve for x
    x = 38,002,544.94/7,352.76
  6. Step 6: Final answer
    x = 5,168.47

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1.5x scale

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.