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Finding the Fourth Proportional to 5,860.71, 8,790.17 and 1,965.15

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Solution

The fourth proportional to 5,860.71, 8,790.17 and 1,965.15 is: 2,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.71 : 8,790.17 = 1,965.15 : x
  2. Step 2: Convert to fraction form
    5,860.71/8,790.17 = 1,965.15/x
  3. Step 3: Cross multiply
    5,860.71x = 8,790.17 × 1,965.15
  4. Step 4: Simplify right side
    5,860.71x = 17,273,992.75
  5. Step 5: Solve for x
    x = 17,273,992.75/5,860.71
  6. Step 6: Final answer
    x = 2,947.42

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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.