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Finding the Fourth Proportional to 35,682.94, 49,243.84 and 19,767.06

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Solution

The fourth proportional to 35,682.94, 49,243.84 and 19,767.06 is: 27,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,682.94 : 49,243.84 = 19,767.06 : x
  2. Step 2: Convert to fraction form
    35,682.94/49,243.84 = 19,767.06/x
  3. Step 3: Cross multiply
    35,682.94x = 49,243.84 × 19,767.06
  4. Step 4: Simplify right side
    35,682.94x = 973,405,939.91
  5. Step 5: Solve for x
    x = 973,405,939.91/35,682.94
  6. Step 6: Final answer
    x = 27,279.31

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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.