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Finding the Fourth Proportional to 6,840.71, 10,251.41 and 3,230.43

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Solution

The fourth proportional to 6,840.71, 10,251.41 and 3,230.43 is: 4,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.71 : 10,251.41 = 3,230.43 : x
  2. Step 2: Convert to fraction form
    6,840.71/10,251.41 = 3,230.43/x
  3. Step 3: Cross multiply
    6,840.71x = 10,251.41 × 3,230.43
  4. Step 4: Simplify right side
    6,840.71x = 33,116,470.48
  5. Step 5: Solve for x
    x = 33,116,470.48/6,840.71
  6. Step 6: Final answer
    x = 4,841.09

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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.