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Finding the Fourth Proportional to 2,262.66, 3,394.20 and 702.68

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Solution

The fourth proportional to 2,262.66, 3,394.20 and 702.68 is: 1,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.66 : 3,394.20 = 702.68 : x
  2. Step 2: Convert to fraction form
    2,262.66/3,394.20 = 702.68/x
  3. Step 3: Cross multiply
    2,262.66x = 3,394.20 × 702.68
  4. Step 4: Simplify right side
    2,262.66x = 2,385,036.46
  5. Step 5: Solve for x
    x = 2,385,036.46/2,262.66
  6. Step 6: Final answer
    x = 1,054.09

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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.