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Finding the Fourth Proportional to 11,238.13, 16,851.99 and 6,559.51

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Solution

The fourth proportional to 11,238.13, 16,851.99 and 6,559.51 is: 9,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.13 : 16,851.99 = 6,559.51 : x
  2. Step 2: Convert to fraction form
    11,238.13/16,851.99 = 6,559.51/x
  3. Step 3: Cross multiply
    11,238.13x = 16,851.99 × 6,559.51
  4. Step 4: Simplify right side
    11,238.13x = 110,540,796.92
  5. Step 5: Solve for x
    x = 110,540,796.92/11,238.13
  6. Step 6: Final answer
    x = 9,836.23

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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.