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Finding the Fourth Proportional to 16,832.10, 23,228.24 and 9,278.22

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Solution

The fourth proportional to 16,832.10, 23,228.24 and 9,278.22 is: 12,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,832.10 : 23,228.24 = 9,278.22 : x
  2. Step 2: Convert to fraction form
    16,832.10/23,228.24 = 9,278.22/x
  3. Step 3: Cross multiply
    16,832.10x = 23,228.24 × 9,278.22
  4. Step 4: Simplify right side
    16,832.10x = 215,516,674.54
  5. Step 5: Solve for x
    x = 215,516,674.54/16,832.10
  6. Step 6: Final answer
    x = 12,803.91

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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.