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Finding the Fourth Proportional to 17,671.56, 24,395.10 and 11,214.45

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Solution

The fourth proportional to 17,671.56, 24,395.10 and 11,214.45 is: 15,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,671.56 : 24,395.10 = 11,214.45 : x
  2. Step 2: Convert to fraction form
    17,671.56/24,395.10 = 11,214.45/x
  3. Step 3: Cross multiply
    17,671.56x = 24,395.10 × 11,214.45
  4. Step 4: Simplify right side
    17,671.56x = 273,577,629.20
  5. Step 5: Solve for x
    x = 273,577,629.20/17,671.56
  6. Step 6: Final answer
    x = 15,481.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.