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Finding the Fourth Proportional to 17,500.86, 24,146.91 and 11,221.74

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Solution

The fourth proportional to 17,500.86, 24,146.91 and 11,221.74 is: 15,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,500.86 : 24,146.91 = 11,221.74 : x
  2. Step 2: Convert to fraction form
    17,500.86/24,146.91 = 11,221.74/x
  3. Step 3: Cross multiply
    17,500.86x = 24,146.91 × 11,221.74
  4. Step 4: Simplify right side
    17,500.86x = 270,970,345.82
  5. Step 5: Solve for x
    x = 270,970,345.82/17,500.86
  6. Step 6: Final answer
    x = 15,483.26

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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.