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Finding the Fourth Proportional to 33,309.51, 49,969.13 and 9,932.91

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Solution

The fourth proportional to 33,309.51, 49,969.13 and 9,932.91 is: 14,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.51 : 49,969.13 = 9,932.91 : x
  2. Step 2: Convert to fraction form
    33,309.51/49,969.13 = 9,932.91/x
  3. Step 3: Cross multiply
    33,309.51x = 49,969.13 × 9,932.91
  4. Step 4: Simplify right side
    33,309.51x = 496,338,871.07
  5. Step 5: Solve for x
    x = 496,338,871.07/33,309.51
  6. Step 6: Final answer
    x = 14,900.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.