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Finding the Fourth Proportional to 11,289.39, 16,935.29 and 3,498.81

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Solution

The fourth proportional to 11,289.39, 16,935.29 and 3,498.81 is: 5,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.39 : 16,935.29 = 3,498.81 : x
  2. Step 2: Convert to fraction form
    11,289.39/16,935.29 = 3,498.81/x
  3. Step 3: Cross multiply
    11,289.39x = 16,935.29 × 3,498.81
  4. Step 4: Simplify right side
    11,289.39x = 59,253,344.51
  5. Step 5: Solve for x
    x = 59,253,344.51/11,289.39
  6. Step 6: Final answer
    x = 5,248.59

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