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Finding the Fourth Proportional to 5,865.25, 8,797.88 and 1,761.25

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Solution

The fourth proportional to 5,865.25, 8,797.88 and 1,761.25 is: 2,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.25 : 8,797.88 = 1,761.25 : x
  2. Step 2: Convert to fraction form
    5,865.25/8,797.88 = 1,761.25/x
  3. Step 3: Cross multiply
    5,865.25x = 8,797.88 × 1,761.25
  4. Step 4: Simplify right side
    5,865.25x = 15,495,266.15
  5. Step 5: Solve for x
    x = 15,495,266.15/5,865.25
  6. Step 6: Final answer
    x = 2,641.88

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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.