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Finding the Fourth Proportional to 1,193.40, 1,799.04 and 1,114.12

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Solution

The fourth proportional to 1,193.40, 1,799.04 and 1,114.12 is: 1,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.40 : 1,799.04 = 1,114.12 : x
  2. Step 2: Convert to fraction form
    1,193.40/1,799.04 = 1,114.12/x
  3. Step 3: Cross multiply
    1,193.40x = 1,799.04 × 1,114.12
  4. Step 4: Simplify right side
    1,193.40x = 2,004,346.44
  5. Step 5: Solve for x
    x = 2,004,346.44/1,193.40
  6. Step 6: Final answer
    x = 1,679.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.