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Finding the Fourth Proportional to 17,955.42, 26,912.04 and 8,083.14

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Solution

The fourth proportional to 17,955.42, 26,912.04 and 8,083.14 is: 12,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.42 : 26,912.04 = 8,083.14 : x
  2. Step 2: Convert to fraction form
    17,955.42/26,912.04 = 8,083.14/x
  3. Step 3: Cross multiply
    17,955.42x = 26,912.04 × 8,083.14
  4. Step 4: Simplify right side
    17,955.42x = 217,533,787.01
  5. Step 5: Solve for x
    x = 217,533,787.01/17,955.42
  6. Step 6: Final answer
    x = 12,115.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.