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Finding the Fourth Proportional to 1,668.44, 2,502.99 and 1,396.43

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Solution

The fourth proportional to 1,668.44, 2,502.99 and 1,396.43 is: 2,094.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.44 : 2,502.99 = 1,396.43 : x
  2. Step 2: Convert to fraction form
    1,668.44/2,502.99 = 1,396.43/x
  3. Step 3: Cross multiply
    1,668.44x = 2,502.99 × 1,396.43
  4. Step 4: Simplify right side
    1,668.44x = 3,495,250.33
  5. Step 5: Solve for x
    x = 3,495,250.33/1,668.44
  6. Step 6: Final answer
    x = 2,094.92

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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.