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Finding the Fourth Proportional to 7,491.87, 11,239.53 and 2,226.77

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Solution

The fourth proportional to 7,491.87, 11,239.53 and 2,226.77 is: 3,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.87 : 11,239.53 = 2,226.77 : x
  2. Step 2: Convert to fraction form
    7,491.87/11,239.53 = 2,226.77/x
  3. Step 3: Cross multiply
    7,491.87x = 11,239.53 × 2,226.77
  4. Step 4: Simplify right side
    7,491.87x = 25,027,792.02
  5. Step 5: Solve for x
    x = 25,027,792.02/7,491.87
  6. Step 6: Final answer
    x = 3,340.66

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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.