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Finding the Fourth Proportional to 6,801.71, 9,385.17 and 3,817.67

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Solution

The fourth proportional to 6,801.71, 9,385.17 and 3,817.67 is: 5,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,801.71 : 9,385.17 = 3,817.67 : x
  2. Step 2: Convert to fraction form
    6,801.71/9,385.17 = 3,817.67/x
  3. Step 3: Cross multiply
    6,801.71x = 9,385.17 × 3,817.67
  4. Step 4: Simplify right side
    6,801.71x = 35,829,481.95
  5. Step 5: Solve for x
    x = 35,829,481.95/6,801.71
  6. Step 6: Final answer
    x = 5,267.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.