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Finding the Fourth Proportional to 35,776.73, 49,369.41 and 19,859.92

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Solution

The fourth proportional to 35,776.73, 49,369.41 and 19,859.92 is: 27,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.73 : 49,369.41 = 19,859.92 : x
  2. Step 2: Convert to fraction form
    35,776.73/49,369.41 = 19,859.92/x
  3. Step 3: Cross multiply
    35,776.73x = 49,369.41 × 19,859.92
  4. Step 4: Simplify right side
    35,776.73x = 980,472,533.05
  5. Step 5: Solve for x
    x = 980,472,533.05/35,776.73
  6. Step 6: Final answer
    x = 27,405.32

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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.