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Finding the Fourth Proportional to 7,491.91, 11,240.10 and 2,227.09

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Solution

The fourth proportional to 7,491.91, 11,240.10 and 2,227.09 is: 3,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.91 : 11,240.10 = 2,227.09 : x
  2. Step 2: Convert to fraction form
    7,491.91/11,240.10 = 2,227.09/x
  3. Step 3: Cross multiply
    7,491.91x = 11,240.10 × 2,227.09
  4. Step 4: Simplify right side
    7,491.91x = 25,032,703.17
  5. Step 5: Solve for x
    x = 25,032,703.17/7,491.91
  6. Step 6: Final answer
    x = 3,341.30

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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.