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Finding the Fourth Proportional to 6,832.55, 9,428.82 and 3,848.69

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Solution

The fourth proportional to 6,832.55, 9,428.82 and 3,848.69 is: 5,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,832.55 : 9,428.82 = 3,848.69 : x
  2. Step 2: Convert to fraction form
    6,832.55/9,428.82 = 3,848.69/x
  3. Step 3: Cross multiply
    6,832.55x = 9,428.82 × 3,848.69
  4. Step 4: Simplify right side
    6,832.55x = 36,288,558.10
  5. Step 5: Solve for x
    x = 36,288,558.10/6,832.55
  6. Step 6: Final answer
    x = 5,311.13

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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.