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Finding the Fourth Proportional to 57,951.40, 79,991.94 and 34,076.92

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Solution

The fourth proportional to 57,951.40, 79,991.94 and 34,076.92 is: 47,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,951.40 : 79,991.94 = 34,076.92 : x
  2. Step 2: Convert to fraction form
    57,951.40/79,991.94 = 34,076.92/x
  3. Step 3: Cross multiply
    57,951.40x = 79,991.94 × 34,076.92
  4. Step 4: Simplify right side
    57,951.40x = 2,725,878,940.02
  5. Step 5: Solve for x
    x = 2,725,878,940.02/57,951.40
  6. Step 6: Final answer
    x = 47,037.33

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1.5x scale

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.