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Finding the Fourth Proportional to 24,388.71, 33,635.36 and 15,887.63

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Solution

The fourth proportional to 24,388.71, 33,635.36 and 15,887.63 is: 21,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,388.71 : 33,635.36 = 15,887.63 : x
  2. Step 2: Convert to fraction form
    24,388.71/33,635.36 = 15,887.63/x
  3. Step 3: Cross multiply
    24,388.71x = 33,635.36 × 15,887.63
  4. Step 4: Simplify right side
    24,388.71x = 534,385,906.98
  5. Step 5: Solve for x
    x = 534,385,906.98/24,388.71
  6. Step 6: Final answer
    x = 21,911.20

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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.