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Finding the Fourth Proportional to 1,797.82, 2,697.14 and 702.50

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Solution

The fourth proportional to 1,797.82, 2,697.14 and 702.50 is: 1,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.82 : 2,697.14 = 702.50 : x
  2. Step 2: Convert to fraction form
    1,797.82/2,697.14 = 702.50/x
  3. Step 3: Cross multiply
    1,797.82x = 2,697.14 × 702.50
  4. Step 4: Simplify right side
    1,797.82x = 1,894,736.60
  5. Step 5: Solve for x
    x = 1,894,736.60/1,797.82
  6. Step 6: Final answer
    x = 1,053.91

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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.