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Finding the Fourth Proportional to 62,924.40, 86,816.13 and 35,696.00

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Solution

The fourth proportional to 62,924.40, 86,816.13 and 35,696.00 is: 49,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,924.40 : 86,816.13 = 35,696.00 : x
  2. Step 2: Convert to fraction form
    62,924.40/86,816.13 = 35,696.00/x
  3. Step 3: Cross multiply
    62,924.40x = 86,816.13 × 35,696.00
  4. Step 4: Simplify right side
    62,924.40x = 3,098,988,359.44
  5. Step 5: Solve for x
    x = 3,098,988,359.44/62,924.40
  6. Step 6: Final answer
    x = 49,249.39

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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.