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Finding the Fourth Proportional to 50,579.99, 69,800.39 and 27,918.99

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Solution

The fourth proportional to 50,579.99, 69,800.39 and 27,918.99 is: 38,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,579.99 : 69,800.39 = 27,918.99 : x
  2. Step 2: Convert to fraction form
    50,579.99/69,800.39 = 27,918.99/x
  3. Step 3: Cross multiply
    50,579.99x = 69,800.39 × 27,918.99
  4. Step 4: Simplify right side
    50,579.99x = 1,948,755,971.61
  5. Step 5: Solve for x
    x = 1,948,755,971.61/50,579.99
  6. Step 6: Final answer
    x = 38,528.20

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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.