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Finding the Fourth Proportional to 11,436.66, 17,156.16 and 4,040.82

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Solution

The fourth proportional to 11,436.66, 17,156.16 and 4,040.82 is: 6,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.66 : 17,156.16 = 4,040.82 : x
  2. Step 2: Convert to fraction form
    11,436.66/17,156.16 = 4,040.82/x
  3. Step 3: Cross multiply
    11,436.66x = 17,156.16 × 4,040.82
  4. Step 4: Simplify right side
    11,436.66x = 69,324,954.45
  5. Step 5: Solve for x
    x = 69,324,954.45/11,436.66
  6. Step 6: Final answer
    x = 6,061.64

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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.