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Finding the Fourth Proportional to 33,696, 50,541.92 and 10,320.64

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Solution

The fourth proportional to 33,696, 50,541.92 and 10,320.64 is: 15,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,696 : 50,541.92 = 10,320.64 : x
  2. Step 2: Convert to fraction form
    33,696/50,541.92 = 10,320.64/x
  3. Step 3: Cross multiply
    33,696x = 50,541.92 × 10,320.64
  4. Step 4: Simplify right side
    33,696x = 521,624,961.23
  5. Step 5: Solve for x
    x = 521,624,961.23/33,696
  6. Step 6: Final answer
    x = 15,480.32

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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.