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Finding the Fourth Proportional to 1,736.90, 2,396.90 and 950.94

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Solution

The fourth proportional to 1,736.90, 2,396.90 and 950.94 is: 1,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.90 : 2,396.90 = 950.94 : x
  2. Step 2: Convert to fraction form
    1,736.90/2,396.90 = 950.94/x
  3. Step 3: Cross multiply
    1,736.90x = 2,396.90 × 950.94
  4. Step 4: Simplify right side
    1,736.90x = 2,279,308.09
  5. Step 5: Solve for x
    x = 2,279,308.09/1,736.90
  6. Step 6: Final answer
    x = 1,312.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.