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Finding the Fourth Proportional to 57,622.99, 86,377.97 and 27,628.73

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Solution

The fourth proportional to 57,622.99, 86,377.97 and 27,628.73 is: 41,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,622.99 : 86,377.97 = 27,628.73 : x
  2. Step 2: Convert to fraction form
    57,622.99/86,377.97 = 27,628.73/x
  3. Step 3: Cross multiply
    57,622.99x = 86,377.97 × 27,628.73
  4. Step 4: Simplify right side
    57,622.99x = 2,386,513,179.19
  5. Step 5: Solve for x
    x = 2,386,513,179.19/57,622.99
  6. Step 6: Final answer
    x = 41,415.99

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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.