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Finding the Fourth Proportional to 2,264.61, 3,396.23 and 803.67

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Solution

The fourth proportional to 2,264.61, 3,396.23 and 803.67 is: 1,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.61 : 3,396.23 = 803.67 : x
  2. Step 2: Convert to fraction form
    2,264.61/3,396.23 = 803.67/x
  3. Step 3: Cross multiply
    2,264.61x = 3,396.23 × 803.67
  4. Step 4: Simplify right side
    2,264.61x = 2,729,453.53
  5. Step 5: Solve for x
    x = 2,729,453.53/2,264.61
  6. Step 6: Final answer
    x = 1,205.27

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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.