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Finding the Fourth Proportional to 1,767.69, 2,650.97 and 794.49

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Solution

The fourth proportional to 1,767.69, 2,650.97 and 794.49 is: 1,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.69 : 2,650.97 = 794.49 : x
  2. Step 2: Convert to fraction form
    1,767.69/2,650.97 = 794.49/x
  3. Step 3: Cross multiply
    1,767.69x = 2,650.97 × 794.49
  4. Step 4: Simplify right side
    1,767.69x = 2,106,165.18
  5. Step 5: Solve for x
    x = 2,106,165.18/1,767.69
  6. Step 6: Final answer
    x = 1,191.48

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1.5x scale

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.