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Finding the Fourth Proportional to 57,677.87, 79,593.13 and 33,479.33

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Solution

The fourth proportional to 57,677.87, 79,593.13 and 33,479.33 is: 46,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,677.87 : 79,593.13 = 33,479.33 : x
  2. Step 2: Convert to fraction form
    57,677.87/79,593.13 = 33,479.33/x
  3. Step 3: Cross multiply
    57,677.87x = 79,593.13 × 33,479.33
  4. Step 4: Simplify right side
    57,677.87x = 2,664,724,308.89
  5. Step 5: Solve for x
    x = 2,664,724,308.89/57,677.87
  6. Step 6: Final answer
    x = 46,200.11

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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.