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Finding the Fourth Proportional to 45,092.96, 67,654.95 and 20,150.22

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Solution

The fourth proportional to 45,092.96, 67,654.95 and 20,150.22 is: 30,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,092.96 : 67,654.95 = 20,150.22 : x
  2. Step 2: Convert to fraction form
    45,092.96/67,654.95 = 20,150.22/x
  3. Step 3: Cross multiply
    45,092.96x = 67,654.95 × 20,150.22
  4. Step 4: Simplify right side
    45,092.96x = 1,363,262,304.73
  5. Step 5: Solve for x
    x = 1,363,262,304.73/45,092.96
  6. Step 6: Final answer
    x = 30,232.27

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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.