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Finding the Fourth Proportional to 45,197.73, 67,796.99 and 11,922.53

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Solution

The fourth proportional to 45,197.73, 67,796.99 and 11,922.53 is: 17,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,197.73 : 67,796.99 = 11,922.53 : x
  2. Step 2: Convert to fraction form
    45,197.73/67,796.99 = 11,922.53/x
  3. Step 3: Cross multiply
    45,197.73x = 67,796.99 × 11,922.53
  4. Step 4: Simplify right side
    45,197.73x = 808,311,248.59
  5. Step 5: Solve for x
    x = 808,311,248.59/45,197.73
  6. Step 6: Final answer
    x = 17,883.89

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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.