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Finding the Fourth Proportional to 57,244.94, 78,983.07 and 33,039.98

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Solution

The fourth proportional to 57,244.94, 78,983.07 and 33,039.98 is: 45,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,244.94 : 78,983.07 = 33,039.98 : x
  2. Step 2: Convert to fraction form
    57,244.94/78,983.07 = 33,039.98/x
  3. Step 3: Cross multiply
    57,244.94x = 78,983.07 × 33,039.98
  4. Step 4: Simplify right side
    57,244.94x = 2,609,599,053.14
  5. Step 5: Solve for x
    x = 2,609,599,053.14/57,244.94
  6. Step 6: Final answer
    x = 45,586.55

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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.