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Finding the Fourth Proportional to 1,193.22, 1,789.83 and 1,061.82

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Solution

The fourth proportional to 1,193.22, 1,789.83 and 1,061.82 is: 1,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.22 : 1,789.83 = 1,061.82 : x
  2. Step 2: Convert to fraction form
    1,193.22/1,789.83 = 1,061.82/x
  3. Step 3: Cross multiply
    1,193.22x = 1,789.83 × 1,061.82
  4. Step 4: Simplify right side
    1,193.22x = 1,900,477.29
  5. Step 5: Solve for x
    x = 1,900,477.29/1,193.22
  6. Step 6: Final answer
    x = 1,592.73

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Similar ratio
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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.