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Finding the Fourth Proportional to 17,856.13, 26,787.03 and 6,170.26

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Solution

The fourth proportional to 17,856.13, 26,787.03 and 6,170.26 is: 9,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.13 : 26,787.03 = 6,170.26 : x
  2. Step 2: Convert to fraction form
    17,856.13/26,787.03 = 6,170.26/x
  3. Step 3: Cross multiply
    17,856.13x = 26,787.03 × 6,170.26
  4. Step 4: Simplify right side
    17,856.13x = 165,282,939.73
  5. Step 5: Solve for x
    x = 165,282,939.73/17,856.13
  6. Step 6: Final answer
    x = 9,256.37

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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.