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Finding the Fourth Proportional to 11,297.79, 16,947.78 and 3,504.51

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Solution

The fourth proportional to 11,297.79, 16,947.78 and 3,504.51 is: 5,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.79 : 16,947.78 = 3,504.51 : x
  2. Step 2: Convert to fraction form
    11,297.79/16,947.78 = 3,504.51/x
  3. Step 3: Cross multiply
    11,297.79x = 16,947.78 × 3,504.51
  4. Step 4: Simplify right side
    11,297.79x = 59,393,664.49
  5. Step 5: Solve for x
    x = 59,393,664.49/11,297.79
  6. Step 6: Final answer
    x = 5,257.10

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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.