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Finding the Fourth Proportional to 7,226.43, 10,821.95 and 5,969.33

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Solution

The fourth proportional to 7,226.43, 10,821.95 and 5,969.33 is: 8,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.43 : 10,821.95 = 5,969.33 : x
  2. Step 2: Convert to fraction form
    7,226.43/10,821.95 = 5,969.33/x
  3. Step 3: Cross multiply
    7,226.43x = 10,821.95 × 5,969.33
  4. Step 4: Simplify right side
    7,226.43x = 64,599,825.42
  5. Step 5: Solve for x
    x = 64,599,825.42/7,226.43
  6. Step 6: Final answer
    x = 8,939.38

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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.