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Finding the Fourth Proportional to 57,753.28, 79,700.82 and 33,897.16

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Solution

The fourth proportional to 57,753.28, 79,700.82 and 33,897.16 is: 46,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,753.28 : 79,700.82 = 33,897.16 : x
  2. Step 2: Convert to fraction form
    57,753.28/79,700.82 = 33,897.16/x
  3. Step 3: Cross multiply
    57,753.28x = 79,700.82 × 33,897.16
  4. Step 4: Simplify right side
    57,753.28x = 2,701,631,447.67
  5. Step 5: Solve for x
    x = 2,701,631,447.67/57,753.28
  6. Step 6: Final answer
    x = 46,778.84

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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.