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Finding the Fourth Proportional to 1,192.26, 1,645.52 and 799.34

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Solution

The fourth proportional to 1,192.26, 1,645.52 and 799.34 is: 1,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.26 : 1,645.52 = 799.34 : x
  2. Step 2: Convert to fraction form
    1,192.26/1,645.52 = 799.34/x
  3. Step 3: Cross multiply
    1,192.26x = 1,645.52 × 799.34
  4. Step 4: Simplify right side
    1,192.26x = 1,315,329.96
  5. Step 5: Solve for x
    x = 1,315,329.96/1,192.26
  6. Step 6: Final answer
    x = 1,103.22

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1.5x scale

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.