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Finding the Fourth Proportional to 17,756.62, 26,659.53 and 8,997.68

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Solution

The fourth proportional to 17,756.62, 26,659.53 and 8,997.68 is: 13,508.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,756.62 : 26,659.53 = 8,997.68 : x
  2. Step 2: Convert to fraction form
    17,756.62/26,659.53 = 8,997.68/x
  3. Step 3: Cross multiply
    17,756.62x = 26,659.53 × 8,997.68
  4. Step 4: Simplify right side
    17,756.62x = 239,873,986.54
  5. Step 5: Solve for x
    x = 239,873,986.54/17,756.62
  6. Step 6: Final answer
    x = 13,508.99

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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.