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Finding the Fourth Proportional to 2,262.90, 3,393.12 and 702.42

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Solution

The fourth proportional to 2,262.90, 3,393.12 and 702.42 is: 1,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.90 : 3,393.12 = 702.42 : x
  2. Step 2: Convert to fraction form
    2,262.90/3,393.12 = 702.42/x
  3. Step 3: Cross multiply
    2,262.90x = 3,393.12 × 702.42
  4. Step 4: Simplify right side
    2,262.90x = 2,383,395.35
  5. Step 5: Solve for x
    x = 2,383,395.35/2,262.90
  6. Step 6: Final answer
    x = 1,053.25

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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.