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Finding the Fourth Proportional to 4,634, 6,394.92 and 2,538.16

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Solution

The fourth proportional to 4,634, 6,394.92 and 2,538.16 is: 3,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,634 : 6,394.92 = 2,538.16 : x
  2. Step 2: Convert to fraction form
    4,634/6,394.92 = 2,538.16/x
  3. Step 3: Cross multiply
    4,634x = 6,394.92 × 2,538.16
  4. Step 4: Simplify right side
    4,634x = 16,231,330.15
  5. Step 5: Solve for x
    x = 16,231,330.15/4,634
  6. Step 6: Final answer
    x = 3,502.66

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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.