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Finding the Fourth Proportional to 3,662.19, 5,493.59 and 1,065.13

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Solution

The fourth proportional to 3,662.19, 5,493.59 and 1,065.13 is: 1,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.19 : 5,493.59 = 1,065.13 : x
  2. Step 2: Convert to fraction form
    3,662.19/5,493.59 = 1,065.13/x
  3. Step 3: Cross multiply
    3,662.19x = 5,493.59 × 1,065.13
  4. Step 4: Simplify right side
    3,662.19x = 5,851,387.52
  5. Step 5: Solve for x
    x = 5,851,387.52/3,662.19
  6. Step 6: Final answer
    x = 1,597.78

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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.