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Finding the Fourth Proportional to 18,266.88, 27,404.88 and 9,944.64

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Solution

The fourth proportional to 18,266.88, 27,404.88 and 9,944.64 is: 14,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.88 : 27,404.88 = 9,944.64 : x
  2. Step 2: Convert to fraction form
    18,266.88/27,404.88 = 9,944.64/x
  3. Step 3: Cross multiply
    18,266.88x = 27,404.88 × 9,944.64
  4. Step 4: Simplify right side
    18,266.88x = 272,531,665.84
  5. Step 5: Solve for x
    x = 272,531,665.84/18,266.88
  6. Step 6: Final answer
    x = 14,919.44

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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.