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Finding the Fourth Proportional to 33,372, 46,061.22 and 19,949.28

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Solution

The fourth proportional to 33,372, 46,061.22 and 19,949.28 is: 27,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,372 : 46,061.22 = 19,949.28 : x
  2. Step 2: Convert to fraction form
    33,372/46,061.22 = 19,949.28/x
  3. Step 3: Cross multiply
    33,372x = 46,061.22 × 19,949.28
  4. Step 4: Simplify right side
    33,372x = 918,888,174.92
  5. Step 5: Solve for x
    x = 918,888,174.92/33,372
  6. Step 6: Final answer
    x = 27,534.70

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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.