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Finding the Fourth Proportional to 17,899.88, 26,866.23 and 9,589.28

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Solution

The fourth proportional to 17,899.88, 26,866.23 and 9,589.28 is: 14,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,899.88 : 26,866.23 = 9,589.28 : x
  2. Step 2: Convert to fraction form
    17,899.88/26,866.23 = 9,589.28/x
  3. Step 3: Cross multiply
    17,899.88x = 26,866.23 × 9,589.28
  4. Step 4: Simplify right side
    17,899.88x = 257,627,754.07
  5. Step 5: Solve for x
    x = 257,627,754.07/17,899.88
  6. Step 6: Final answer
    x = 14,392.71

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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.