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Finding the Fourth Proportional to 2,262.40, 3,393.60 and 801.56

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Solution

The fourth proportional to 2,262.40, 3,393.60 and 801.56 is: 1,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.40 : 3,393.60 = 801.56 : x
  2. Step 2: Convert to fraction form
    2,262.40/3,393.60 = 801.56/x
  3. Step 3: Cross multiply
    2,262.40x = 3,393.60 × 801.56
  4. Step 4: Simplify right side
    2,262.40x = 2,720,174.02
  5. Step 5: Solve for x
    x = 2,720,174.02/2,262.40
  6. Step 6: Final answer
    x = 1,202.34

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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.