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Finding the Fourth Proportional to 33,302.93, 49,979.03 and 15,772.79

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Solution

The fourth proportional to 33,302.93, 49,979.03 and 15,772.79 is: 23,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,302.93 : 49,979.03 = 15,772.79 : x
  2. Step 2: Convert to fraction form
    33,302.93/49,979.03 = 15,772.79/x
  3. Step 3: Cross multiply
    33,302.93x = 49,979.03 × 15,772.79
  4. Step 4: Simplify right side
    33,302.93x = 788,308,415.83
  5. Step 5: Solve for x
    x = 788,308,415.83/33,302.93
  6. Step 6: Final answer
    x = 23,670.85

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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.