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Finding the Fourth Proportional to 2,893.99, 4,340.96 and 702.73

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Solution

The fourth proportional to 2,893.99, 4,340.96 and 702.73 is: 1,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.99 : 4,340.96 = 702.73 : x
  2. Step 2: Convert to fraction form
    2,893.99/4,340.96 = 702.73/x
  3. Step 3: Cross multiply
    2,893.99x = 4,340.96 × 702.73
  4. Step 4: Simplify right side
    2,893.99x = 3,050,522.82
  5. Step 5: Solve for x
    x = 3,050,522.82/2,893.99
  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.