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Finding the Fourth Proportional to 61,572.29, 84,969.81 and 33,278.04

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Solution

The fourth proportional to 61,572.29, 84,969.81 and 33,278.04 is: 45,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,572.29 : 84,969.81 = 33,278.04 : x
  2. Step 2: Convert to fraction form
    61,572.29/84,969.81 = 33,278.04/x
  3. Step 3: Cross multiply
    61,572.29x = 84,969.81 × 33,278.04
  4. Step 4: Simplify right side
    61,572.29x = 2,827,628,735.97
  5. Step 5: Solve for x
    x = 2,827,628,735.97/61,572.29
  6. Step 6: Final answer
    x = 45,923.73

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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.