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Finding the Fourth Proportional to 57,910.59, 79,924.98 and 33,376.64

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Solution

The fourth proportional to 57,910.59, 79,924.98 and 33,376.64 is: 46,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,910.59 : 79,924.98 = 33,376.64 : x
  2. Step 2: Convert to fraction form
    57,910.59/79,924.98 = 33,376.64/x
  3. Step 3: Cross multiply
    57,910.59x = 79,924.98 × 33,376.64
  4. Step 4: Simplify right side
    57,910.59x = 2,667,626,884.84
  5. Step 5: Solve for x
    x = 2,667,626,884.84/57,910.59
  6. Step 6: Final answer
    x = 46,064.58

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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.