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Finding the Fourth Proportional to 35,979.80, 49,665.80 and 27,053.22

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Solution

The fourth proportional to 35,979.80, 49,665.80 and 27,053.22 is: 37,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.80 : 49,665.80 = 27,053.22 : x
  2. Step 2: Convert to fraction form
    35,979.80/49,665.80 = 27,053.22/x
  3. Step 3: Cross multiply
    35,979.80x = 49,665.80 × 27,053.22
  4. Step 4: Simplify right side
    35,979.80x = 1,343,619,678.61
  5. Step 5: Solve for x
    x = 1,343,619,678.61/35,979.80
  6. Step 6: Final answer
    x = 37,343.73

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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.