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Finding the Fourth Proportional to 35,791.87, 49,392.87 and 19,876.33

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Solution

The fourth proportional to 35,791.87, 49,392.87 and 19,876.33 is: 27,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,791.87 : 49,392.87 = 19,876.33 : x
  2. Step 2: Convert to fraction form
    35,791.87/49,392.87 = 19,876.33/x
  3. Step 3: Cross multiply
    35,791.87x = 49,392.87 × 19,876.33
  4. Step 4: Simplify right side
    35,791.87x = 981,748,983.77
  5. Step 5: Solve for x
    x = 981,748,983.77/35,791.87
  6. Step 6: Final answer
    x = 27,429.39

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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.