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Finding the Fourth Proportional to 17,906.16, 26,859.24 and 6,810.29

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Solution

The fourth proportional to 17,906.16, 26,859.24 and 6,810.29 is: 10,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.16 : 26,859.24 = 6,810.29 : x
  2. Step 2: Convert to fraction form
    17,906.16/26,859.24 = 6,810.29/x
  3. Step 3: Cross multiply
    17,906.16x = 26,859.24 × 6,810.29
  4. Step 4: Simplify right side
    17,906.16x = 182,919,079.28
  5. Step 5: Solve for x
    x = 182,919,079.28/17,906.16
  6. Step 6: Final answer
    x = 10,215.43

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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.