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Finding the Fourth Proportional to 2,163.00, 3,244.46 and 702.07

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Solution

The fourth proportional to 2,163.00, 3,244.46 and 702.07 is: 1,053.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.00 : 3,244.46 = 702.07 : x
  2. Step 2: Convert to fraction form
    2,163.00/3,244.46 = 702.07/x
  3. Step 3: Cross multiply
    2,163.00x = 3,244.46 × 702.07
  4. Step 4: Simplify right side
    2,163.00x = 2,277,826.41
  5. Step 5: Solve for x
    x = 2,277,826.41/2,163.00
  6. Step 6: Final answer
    x = 1,053.08

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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.