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Finding the Fourth Proportional to 57,750.27, 79,696.67 and 33,894.15

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Solution

The fourth proportional to 57,750.27, 79,696.67 and 33,894.15 is: 46,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,750.27 : 79,696.67 = 33,894.15 : x
  2. Step 2: Convert to fraction form
    57,750.27/79,696.67 = 33,894.15/x
  3. Step 3: Cross multiply
    57,750.27x = 79,696.67 × 33,894.15
  4. Step 4: Simplify right side
    57,750.27x = 2,701,250,887.48
  5. Step 5: Solve for x
    x = 2,701,250,887.48/57,750.27
  6. Step 6: Final answer
    x = 46,774.69

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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.