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Finding the Fourth Proportional to 7,226.28, 9,959.22 and 5,333.76

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Solution

The fourth proportional to 7,226.28, 9,959.22 and 5,333.76 is: 7,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.28 : 9,959.22 = 5,333.76 : x
  2. Step 2: Convert to fraction form
    7,226.28/9,959.22 = 5,333.76/x
  3. Step 3: Cross multiply
    7,226.28x = 9,959.22 × 5,333.76
  4. Step 4: Simplify right side
    7,226.28x = 53,120,089.27
  5. Step 5: Solve for x
    x = 53,120,089.27/7,226.28
  6. Step 6: Final answer
    x = 7,350.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.