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Finding the Fourth Proportional to 1,650.72, 2,278.22 and 1,062.97

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Solution

The fourth proportional to 1,650.72, 2,278.22 and 1,062.97 is: 1,467.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.72 : 2,278.22 = 1,062.97 : x
  2. Step 2: Convert to fraction form
    1,650.72/2,278.22 = 1,062.97/x
  3. Step 3: Cross multiply
    1,650.72x = 2,278.22 × 1,062.97
  4. Step 4: Simplify right side
    1,650.72x = 2,421,668.50
  5. Step 5: Solve for x
    x = 2,421,668.50/1,650.72
  6. Step 6: Final answer
    x = 1,467.03

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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.