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Finding the Fourth Proportional to 17,690.99, 26,546.74 and 8,926.59

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Solution

The fourth proportional to 17,690.99, 26,546.74 and 8,926.59 is: 13,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.99 : 26,546.74 = 8,926.59 : x
  2. Step 2: Convert to fraction form
    17,690.99/26,546.74 = 8,926.59/x
  3. Step 3: Cross multiply
    17,690.99x = 26,546.74 × 8,926.59
  4. Step 4: Simplify right side
    17,690.99x = 236,971,791.72
  5. Step 5: Solve for x
    x = 236,971,791.72/17,690.99
  6. Step 6: Final answer
    x = 13,395.05

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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.