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Finding the Fourth Proportional to 17,405.12, 24,018.84 and 9,954.56

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Solution

The fourth proportional to 17,405.12, 24,018.84 and 9,954.56 is: 13,737.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.12 : 24,018.84 = 9,954.56 : x
  2. Step 2: Convert to fraction form
    17,405.12/24,018.84 = 9,954.56/x
  3. Step 3: Cross multiply
    17,405.12x = 24,018.84 × 9,954.56
  4. Step 4: Simplify right side
    17,405.12x = 239,096,983.91
  5. Step 5: Solve for x
    x = 239,096,983.91/17,405.12
  6. Step 6: Final answer
    x = 13,737.16

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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.