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Finding the Fourth Proportional to 35,906.52, 49,553.08 and 19,990.92

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Solution

The fourth proportional to 35,906.52, 49,553.08 and 19,990.92 is: 27,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,906.52 : 49,553.08 = 19,990.92 : x
  2. Step 2: Convert to fraction form
    35,906.52/49,553.08 = 19,990.92/x
  3. Step 3: Cross multiply
    35,906.52x = 49,553.08 × 19,990.92
  4. Step 4: Simplify right side
    35,906.52x = 990,611,658.03
  5. Step 5: Solve for x
    x = 990,611,658.03/35,906.52
  6. Step 6: Final answer
    x = 27,588.63

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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.