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Finding the Fourth Proportional to 35,754.70, 49,342.81 and 19,622.51

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Solution

The fourth proportional to 35,754.70, 49,342.81 and 19,622.51 is: 27,079.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,754.70 : 49,342.81 = 19,622.51 : x
  2. Step 2: Convert to fraction form
    35,754.70/49,342.81 = 19,622.51/x
  3. Step 3: Cross multiply
    35,754.70x = 49,342.81 × 19,622.51
  4. Step 4: Simplify right side
    35,754.70x = 968,229,782.65
  5. Step 5: Solve for x
    x = 968,229,782.65/35,754.70
  6. Step 6: Final answer
    x = 27,079.79

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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.