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Finding the Fourth Proportional to 61,557.80, 84,949.82 and 33,263.48

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Solution

The fourth proportional to 61,557.80, 84,949.82 and 33,263.48 is: 45,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,557.80 : 84,949.82 = 33,263.48 : x
  2. Step 2: Convert to fraction form
    61,557.80/84,949.82 = 33,263.48/x
  3. Step 3: Cross multiply
    61,557.80x = 84,949.82 × 33,263.48
  4. Step 4: Simplify right side
    61,557.80x = 2,825,726,638.57
  5. Step 5: Solve for x
    x = 2,825,726,638.57/61,557.80
  6. Step 6: Final answer
    x = 45,903.63

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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.