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Finding the Fourth Proportional to 2,089.69, 2,884.07 and 1,193.74

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Solution

The fourth proportional to 2,089.69, 2,884.07 and 1,193.74 is: 1,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.69 : 2,884.07 = 1,193.74 : x
  2. Step 2: Convert to fraction form
    2,089.69/2,884.07 = 1,193.74/x
  3. Step 3: Cross multiply
    2,089.69x = 2,884.07 × 1,193.74
  4. Step 4: Simplify right side
    2,089.69x = 3,442,829.72
  5. Step 5: Solve for x
    x = 3,442,829.72/2,089.69
  6. Step 6: Final answer
    x = 1,647.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.