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Finding the Fourth Proportional to 33,308.72, 49,963.08 and 9,951.56

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Solution

The fourth proportional to 33,308.72, 49,963.08 and 9,951.56 is: 14,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,308.72 : 49,963.08 = 9,951.56 : x
  2. Step 2: Convert to fraction form
    33,308.72/49,963.08 = 9,951.56/x
  3. Step 3: Cross multiply
    33,308.72x = 49,963.08 × 9,951.56
  4. Step 4: Simplify right side
    33,308.72x = 497,210,588.40
  5. Step 5: Solve for x
    x = 497,210,588.40/33,308.72
  6. Step 6: Final answer
    x = 14,927.34

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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.