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Finding the Fourth Proportional to 7,443.69, 11,233.07 and 7,195.83

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Solution

The fourth proportional to 7,443.69, 11,233.07 and 7,195.83 is: 10,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.69 : 11,233.07 = 7,195.83 : x
  2. Step 2: Convert to fraction form
    7,443.69/11,233.07 = 7,195.83/x
  3. Step 3: Cross multiply
    7,443.69x = 11,233.07 × 7,195.83
  4. Step 4: Simplify right side
    7,443.69x = 80,831,226.12
  5. Step 5: Solve for x
    x = 80,831,226.12/7,443.69
  6. Step 6: Final answer
    x = 10,859.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.