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Finding the Fourth Proportional to 22,441.68, 33,663.78 and 9,958.77

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Solution

The fourth proportional to 22,441.68, 33,663.78 and 9,958.77 is: 14,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,441.68 : 33,663.78 = 9,958.77 : x
  2. Step 2: Convert to fraction form
    22,441.68/33,663.78 = 9,958.77/x
  3. Step 3: Cross multiply
    22,441.68x = 33,663.78 × 9,958.77
  4. Step 4: Simplify right side
    22,441.68x = 335,249,842.35
  5. Step 5: Solve for x
    x = 335,249,842.35/22,441.68
  6. Step 6: Final answer
    x = 14,938.71

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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.