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Finding the Fourth Proportional to 33,029.46, 49,420.04 and 19,653.21

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Solution

The fourth proportional to 33,029.46, 49,420.04 and 19,653.21 is: 29,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,029.46 : 49,420.04 = 19,653.21 : x
  2. Step 2: Convert to fraction form
    33,029.46/49,420.04 = 19,653.21/x
  3. Step 3: Cross multiply
    33,029.46x = 49,420.04 × 19,653.21
  4. Step 4: Simplify right side
    33,029.46x = 971,262,326.06
  5. Step 5: Solve for x
    x = 971,262,326.06/33,029.46
  6. Step 6: Final answer
    x = 29,405.94

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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.