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Finding the Fourth Proportional to 8,817.57, 13,227.77 and 2,576.79

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Solution

The fourth proportional to 8,817.57, 13,227.77 and 2,576.79 is: 3,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.57 : 13,227.77 = 2,576.79 : x
  2. Step 2: Convert to fraction form
    8,817.57/13,227.77 = 2,576.79/x
  3. Step 3: Cross multiply
    8,817.57x = 13,227.77 × 2,576.79
  4. Step 4: Simplify right side
    8,817.57x = 34,085,185.46
  5. Step 5: Solve for x
    x = 34,085,185.46/8,817.57
  6. Step 6: Final answer
    x = 3,865.60

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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.