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Finding the Fourth Proportional to 1,134.84, 1,702.26 and 1,026.84

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Solution

The fourth proportional to 1,134.84, 1,702.26 and 1,026.84 is: 1,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.84 : 1,702.26 = 1,026.84 : x
  2. Step 2: Convert to fraction form
    1,134.84/1,702.26 = 1,026.84/x
  3. Step 3: Cross multiply
    1,134.84x = 1,702.26 × 1,026.84
  4. Step 4: Simplify right side
    1,134.84x = 1,747,948.66
  5. Step 5: Solve for x
    x = 1,747,948.66/1,134.84
  6. Step 6: Final answer
    x = 1,540.26

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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.