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Finding the Fourth Proportional to 1,793.36, 2,703.68 and 1,668.08

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Solution

The fourth proportional to 1,793.36, 2,703.68 and 1,668.08 is: 2,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.36 : 2,703.68 = 1,668.08 : x
  2. Step 2: Convert to fraction form
    1,793.36/2,703.68 = 1,668.08/x
  3. Step 3: Cross multiply
    1,793.36x = 2,703.68 × 1,668.08
  4. Step 4: Simplify right side
    1,793.36x = 4,509,954.53
  5. Step 5: Solve for x
    x = 4,509,954.53/1,793.36
  6. Step 6: Final answer
    x = 2,514.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.