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Finding the Fourth Proportional to 35,859.82, 49,485.84 and 19,943.89

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Solution

The fourth proportional to 35,859.82, 49,485.84 and 19,943.89 is: 27,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,859.82 : 49,485.84 = 19,943.89 : x
  2. Step 2: Convert to fraction form
    35,859.82/49,485.84 = 19,943.89/x
  3. Step 3: Cross multiply
    35,859.82x = 49,485.84 × 19,943.89
  4. Step 4: Simplify right side
    35,859.82x = 986,940,149.52
  5. Step 5: Solve for x
    x = 986,940,149.52/35,859.82
  6. Step 6: Final answer
    x = 27,522.17

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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.