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Finding the Fourth Proportional to 17,906.02, 26,859.06 and 6,810.16

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Solution

The fourth proportional to 17,906.02, 26,859.06 and 6,810.16 is: 10,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.02 : 26,859.06 = 6,810.16 : x
  2. Step 2: Convert to fraction form
    17,906.02/26,859.06 = 6,810.16/x
  3. Step 3: Cross multiply
    17,906.02x = 26,859.06 × 6,810.16
  4. Step 4: Simplify right side
    17,906.02x = 182,914,496.05
  5. Step 5: Solve for x
    x = 182,914,496.05/17,906.02
  6. Step 6: Final answer
    x = 10,215.25

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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.