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Finding the Fourth Proportional to 6,801.66, 9,385.81 and 3,776.95

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Solution

The fourth proportional to 6,801.66, 9,385.81 and 3,776.95 is: 5,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,801.66 : 9,385.81 = 3,776.95 : x
  2. Step 2: Convert to fraction form
    6,801.66/9,385.81 = 3,776.95/x
  3. Step 3: Cross multiply
    6,801.66x = 9,385.81 × 3,776.95
  4. Step 4: Simplify right side
    6,801.66x = 35,449,735.08
  5. Step 5: Solve for x
    x = 35,449,735.08/6,801.66
  6. Step 6: Final answer
    x = 5,211.92

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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.