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Finding the Fourth Proportional to 2,089.83, 3,132.88 and 792.21

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Solution

The fourth proportional to 2,089.83, 3,132.88 and 792.21 is: 1,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.83 : 3,132.88 = 792.21 : x
  2. Step 2: Convert to fraction form
    2,089.83/3,132.88 = 792.21/x
  3. Step 3: Cross multiply
    2,089.83x = 3,132.88 × 792.21
  4. Step 4: Simplify right side
    2,089.83x = 2,481,882.20
  5. Step 5: Solve for x
    x = 2,481,882.20/2,089.83
  6. Step 6: Final answer
    x = 1,187.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.