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Finding the Fourth Proportional to 50,108.99, 75,098.21 and 27,921.47

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Solution

The fourth proportional to 50,108.99, 75,098.21 and 27,921.47 is: 41,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,108.99 : 75,098.21 = 27,921.47 : x
  2. Step 2: Convert to fraction form
    50,108.99/75,098.21 = 27,921.47/x
  3. Step 3: Cross multiply
    50,108.99x = 75,098.21 × 27,921.47
  4. Step 4: Simplify right side
    50,108.99x = 2,096,852,277.96
  5. Step 5: Solve for x
    x = 2,096,852,277.96/50,108.99
  6. Step 6: Final answer
    x = 41,845.83

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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.