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Finding the Fourth Proportional to 17,634.42, 26,451.36 and 7,238.88

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Solution

The fourth proportional to 17,634.42, 26,451.36 and 7,238.88 is: 10,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,634.42 : 26,451.36 = 7,238.88 : x
  2. Step 2: Convert to fraction form
    17,634.42/26,451.36 = 7,238.88/x
  3. Step 3: Cross multiply
    17,634.42x = 26,451.36 × 7,238.88
  4. Step 4: Simplify right side
    17,634.42x = 191,478,220.88
  5. Step 5: Solve for x
    x = 191,478,220.88/17,634.42
  6. Step 6: Final answer
    x = 10,858.21

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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.