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Finding the Fourth Proportional to 1,767.97, 2,650.52 and 741.25

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Solution

The fourth proportional to 1,767.97, 2,650.52 and 741.25 is: 1,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.97 : 2,650.52 = 741.25 : x
  2. Step 2: Convert to fraction form
    1,767.97/2,650.52 = 741.25/x
  3. Step 3: Cross multiply
    1,767.97x = 2,650.52 × 741.25
  4. Step 4: Simplify right side
    1,767.97x = 1,964,694.24
  5. Step 5: Solve for x
    x = 1,964,694.24/1,767.97
  6. Step 6: Final answer
    x = 1,111.27

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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.