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Finding the Fourth Proportional to 57,715.70, 79,665.81 and 33,852.02

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Solution

The fourth proportional to 57,715.70, 79,665.81 and 33,852.02 is: 46,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,715.70 : 79,665.81 = 33,852.02 : x
  2. Step 2: Convert to fraction form
    57,715.70/79,665.81 = 33,852.02/x
  3. Step 3: Cross multiply
    57,715.70x = 79,665.81 × 33,852.02
  4. Step 4: Simplify right side
    57,715.70x = 2,696,848,593.44
  5. Step 5: Solve for x
    x = 2,696,848,593.44/57,715.70
  6. Step 6: Final answer
    x = 46,726.43

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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.