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Finding the Fourth Proportional to 17,995.24, 26,993 and 6,899.28

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Solution

The fourth proportional to 17,995.24, 26,993 and 6,899.28 is: 10,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,995.24 : 26,993 = 6,899.28 : x
  2. Step 2: Convert to fraction form
    17,995.24/26,993 = 6,899.28/x
  3. Step 3: Cross multiply
    17,995.24x = 26,993 × 6,899.28
  4. Step 4: Simplify right side
    17,995.24x = 186,232,265.04
  5. Step 5: Solve for x
    x = 186,232,265.04/17,995.24
  6. Step 6: Final answer
    x = 10,348.97

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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.