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Finding the Fourth Proportional to 57,706.44, 79,629.48 and 33,500.94

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Solution

The fourth proportional to 57,706.44, 79,629.48 and 33,500.94 is: 46,228.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,706.44 : 79,629.48 = 33,500.94 : x
  2. Step 2: Convert to fraction form
    57,706.44/79,629.48 = 33,500.94/x
  3. Step 3: Cross multiply
    57,706.44x = 79,629.48 × 33,500.94
  4. Step 4: Simplify right side
    57,706.44x = 2,667,662,431.71
  5. Step 5: Solve for x
    x = 2,667,662,431.71/57,706.44
  6. Step 6: Final answer
    x = 46,228.16

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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.