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Finding the Fourth Proportional to 5,759.87, 8,642.54 and 2,986.02

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Solution

The fourth proportional to 5,759.87, 8,642.54 and 2,986.02 is: 4,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.87 : 8,642.54 = 2,986.02 : x
  2. Step 2: Convert to fraction form
    5,759.87/8,642.54 = 2,986.02/x
  3. Step 3: Cross multiply
    5,759.87x = 8,642.54 × 2,986.02
  4. Step 4: Simplify right side
    5,759.87x = 25,806,782.36
  5. Step 5: Solve for x
    x = 25,806,782.36/5,759.87
  6. Step 6: Final answer
    x = 4,480.45

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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.