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Finding the Fourth Proportional to 39,493.28, 54,495.68 and 22,499.68

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Solution

The fourth proportional to 39,493.28, 54,495.68 and 22,499.68 is: 31,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,493.28 : 54,495.68 = 22,499.68 : x
  2. Step 2: Convert to fraction form
    39,493.28/54,495.68 = 22,499.68/x
  3. Step 3: Cross multiply
    39,493.28x = 54,495.68 × 22,499.68
  4. Step 4: Simplify right side
    39,493.28x = 1,226,135,361.38
  5. Step 5: Solve for x
    x = 1,226,135,361.38/39,493.28
  6. Step 6: Final answer
    x = 31,046.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.