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Finding the Fourth Proportional to 4,937.34, 6,812.42 and 2,947.56

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Solution

The fourth proportional to 4,937.34, 6,812.42 and 2,947.56 is: 4,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.34 : 6,812.42 = 2,947.56 : x
  2. Step 2: Convert to fraction form
    4,937.34/6,812.42 = 2,947.56/x
  3. Step 3: Cross multiply
    4,937.34x = 6,812.42 × 2,947.56
  4. Step 4: Simplify right side
    4,937.34x = 20,080,016.70
  5. Step 5: Solve for x
    x = 20,080,016.70/4,937.34
  6. Step 6: Final answer
    x = 4,066.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.