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Finding the Fourth Proportional to 5,912.88, 8,866.88 and 2,017.60

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Solution

The fourth proportional to 5,912.88, 8,866.88 and 2,017.60 is: 3,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.88 : 8,866.88 = 2,017.60 : x
  2. Step 2: Convert to fraction form
    5,912.88/8,866.88 = 2,017.60/x
  3. Step 3: Cross multiply
    5,912.88x = 8,866.88 × 2,017.60
  4. Step 4: Simplify right side
    5,912.88x = 17,889,817.09
  5. Step 5: Solve for x
    x = 17,889,817.09/5,912.88
  6. Step 6: Final answer
    x = 3,025.57

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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.