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Finding the Fourth Proportional to 4,633.92, 6,394.86 and 2,538

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Solution

The fourth proportional to 4,633.92, 6,394.86 and 2,538 is: 3,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,633.92 : 6,394.86 = 2,538 : x
  2. Step 2: Convert to fraction form
    4,633.92/6,394.86 = 2,538/x
  3. Step 3: Cross multiply
    4,633.92x = 6,394.86 × 2,538
  4. Step 4: Simplify right side
    4,633.92x = 16,230,154.68
  5. Step 5: Solve for x
    x = 16,230,154.68/4,633.92
  6. Step 6: Final answer
    x = 3,502.47

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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.