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Finding the Fourth Proportional to 2,233.58, 3,350.50 and 772.54

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Solution

The fourth proportional to 2,233.58, 3,350.50 and 772.54 is: 1,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.58 : 3,350.50 = 772.54 : x
  2. Step 2: Convert to fraction form
    2,233.58/3,350.50 = 772.54/x
  3. Step 3: Cross multiply
    2,233.58x = 3,350.50 × 772.54
  4. Step 4: Simplify right side
    2,233.58x = 2,588,384.96
  5. Step 5: Solve for x
    x = 2,588,384.96/2,233.58
  6. Step 6: Final answer
    x = 1,158.85

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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.