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Finding the Fourth Proportional to 1,767.33, 2,651.07 and 794.12

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Solution

The fourth proportional to 1,767.33, 2,651.07 and 794.12 is: 1,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.33 : 2,651.07 = 794.12 : x
  2. Step 2: Convert to fraction form
    1,767.33/2,651.07 = 794.12/x
  3. Step 3: Cross multiply
    1,767.33x = 2,651.07 × 794.12
  4. Step 4: Simplify right side
    1,767.33x = 2,105,254.45
  5. Step 5: Solve for x
    x = 2,105,254.45/1,767.33
  6. Step 6: Final answer
    x = 1,191.21

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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.