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Finding the Fourth Proportional to 5,297.76, 7,947.09 and 2,010.87

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Solution

The fourth proportional to 5,297.76, 7,947.09 and 2,010.87 is: 3,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.76 : 7,947.09 = 2,010.87 : x
  2. Step 2: Convert to fraction form
    5,297.76/7,947.09 = 2,010.87/x
  3. Step 3: Cross multiply
    5,297.76x = 7,947.09 × 2,010.87
  4. Step 4: Simplify right side
    5,297.76x = 15,980,564.87
  5. Step 5: Solve for x
    x = 15,980,564.87/5,297.76
  6. Step 6: Final answer
    x = 3,016.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.