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Finding the Fourth Proportional to 17,916.15, 24,724.26 and 9,959.12

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Solution

The fourth proportional to 17,916.15, 24,724.26 and 9,959.12 is: 13,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.15 : 24,724.26 = 9,959.12 : x
  2. Step 2: Convert to fraction form
    17,916.15/24,724.26 = 9,959.12/x
  3. Step 3: Cross multiply
    17,916.15x = 24,724.26 × 9,959.12
  4. Step 4: Simplify right side
    17,916.15x = 246,231,748.63
  5. Step 5: Solve for x
    x = 246,231,748.63/17,916.15
  6. Step 6: Final answer
    x = 13,743.56

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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.