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Finding the Fourth Proportional to 57,774.87, 79,729.85 and 33,901.94

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Solution

The fourth proportional to 57,774.87, 79,729.85 and 33,901.94 is: 46,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,774.87 : 79,729.85 = 33,901.94 : x
  2. Step 2: Convert to fraction form
    57,774.87/79,729.85 = 33,901.94/x
  3. Step 3: Cross multiply
    57,774.87x = 79,729.85 × 33,901.94
  4. Step 4: Simplify right side
    57,774.87x = 2,702,996,590.91
  5. Step 5: Solve for x
    x = 2,702,996,590.91/57,774.87
  6. Step 6: Final answer
    x = 46,784.99

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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.