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Finding the Fourth Proportional to 11,648.36, 17,468.51 and 3,326.15

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Solution

The fourth proportional to 11,648.36, 17,468.51 and 3,326.15 is: 4,988.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.36 : 17,468.51 = 3,326.15 : x
  2. Step 2: Convert to fraction form
    11,648.36/17,468.51 = 3,326.15/x
  3. Step 3: Cross multiply
    11,648.36x = 17,468.51 × 3,326.15
  4. Step 4: Simplify right side
    11,648.36x = 58,102,884.54
  5. Step 5: Solve for x
    x = 58,102,884.54/11,648.36
  6. Step 6: Final answer
    x = 4,988.07

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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.