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Finding the Fourth Proportional to 17,372.58, 23,974.08 and 9,415.02

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Solution

The fourth proportional to 17,372.58, 23,974.08 and 9,415.02 is: 12,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.58 : 23,974.08 = 9,415.02 : x
  2. Step 2: Convert to fraction form
    17,372.58/23,974.08 = 9,415.02/x
  3. Step 3: Cross multiply
    17,372.58x = 23,974.08 × 9,415.02
  4. Step 4: Simplify right side
    17,372.58x = 225,716,442.68
  5. Step 5: Solve for x
    x = 225,716,442.68/17,372.58
  6. Step 6: Final answer
    x = 12,992.68

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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.