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Finding the Fourth Proportional to 6,832.71, 9,428.85 and 3,848.49

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Solution

The fourth proportional to 6,832.71, 9,428.85 and 3,848.49 is: 5,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,832.71 : 9,428.85 = 3,848.49 : x
  2. Step 2: Convert to fraction form
    6,832.71/9,428.85 = 3,848.49/x
  3. Step 3: Cross multiply
    6,832.71x = 9,428.85 × 3,848.49
  4. Step 4: Simplify right side
    6,832.71x = 36,286,834.94
  5. Step 5: Solve for x
    x = 36,286,834.94/6,832.71
  6. Step 6: Final answer
    x = 5,310.75

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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.