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Finding the Fourth Proportional to 33,168, 45,772.16 and 18,264.32

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Solution

The fourth proportional to 33,168, 45,772.16 and 18,264.32 is: 25,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,168 : 45,772.16 = 18,264.32 : x
  2. Step 2: Convert to fraction form
    33,168/45,772.16 = 18,264.32/x
  3. Step 3: Cross multiply
    33,168x = 45,772.16 × 18,264.32
  4. Step 4: Simplify right side
    33,168x = 835,997,377.33
  5. Step 5: Solve for x
    x = 835,997,377.33/33,168
  6. Step 6: Final answer
    x = 25,204.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.