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Finding the Fourth Proportional to 1,351.44, 2,027.16 and 702.02

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Solution

The fourth proportional to 1,351.44, 2,027.16 and 702.02 is: 1,053.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.44 : 2,027.16 = 702.02 : x
  2. Step 2: Convert to fraction form
    1,351.44/2,027.16 = 702.02/x
  3. Step 3: Cross multiply
    1,351.44x = 2,027.16 × 702.02
  4. Step 4: Simplify right side
    1,351.44x = 1,423,111.93
  5. Step 5: Solve for x
    x = 1,423,111.93/1,351.44
  6. Step 6: Final answer
    x = 1,053.03

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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.