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Finding the Fourth Proportional to 5,860.79, 8,791.14 and 1,965.17

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Solution

The fourth proportional to 5,860.79, 8,791.14 and 1,965.17 is: 2,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.79 : 8,791.14 = 1,965.17 : x
  2. Step 2: Convert to fraction form
    5,860.79/8,791.14 = 1,965.17/x
  3. Step 3: Cross multiply
    5,860.79x = 8,791.14 × 1,965.17
  4. Step 4: Simplify right side
    5,860.79x = 17,276,084.59
  5. Step 5: Solve for x
    x = 17,276,084.59/5,860.79
  6. Step 6: Final answer
    x = 2,947.74

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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.