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Finding the Fourth Proportional to 35,859.81, 49,486.54 and 19,943.92

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Solution

The fourth proportional to 35,859.81, 49,486.54 and 19,943.92 is: 27,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,859.81 : 49,486.54 = 19,943.92 : x
  2. Step 2: Convert to fraction form
    35,859.81/49,486.54 = 19,943.92/x
  3. Step 3: Cross multiply
    35,859.81x = 49,486.54 × 19,943.92
  4. Step 4: Simplify right side
    35,859.81x = 986,955,594.84
  5. Step 5: Solve for x
    x = 986,955,594.84/35,859.81
  6. Step 6: Final answer
    x = 27,522.61

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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.