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Finding the Fourth Proportional to 12,051.75, 18,076.41 and 5,476.17

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Solution

The fourth proportional to 12,051.75, 18,076.41 and 5,476.17 is: 8,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.75 : 18,076.41 = 5,476.17 : x
  2. Step 2: Convert to fraction form
    12,051.75/18,076.41 = 5,476.17/x
  3. Step 3: Cross multiply
    12,051.75x = 18,076.41 × 5,476.17
  4. Step 4: Simplify right side
    12,051.75x = 98,989,494.15
  5. Step 5: Solve for x
    x = 98,989,494.15/12,051.75
  6. Step 6: Final answer
    x = 8,213.70

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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.