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Finding the Fourth Proportional to 57,474.69, 79,326.02 and 35,974.46

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Solution

The fourth proportional to 57,474.69, 79,326.02 and 35,974.46 is: 49,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474.69 : 79,326.02 = 35,974.46 : x
  2. Step 2: Convert to fraction form
    57,474.69/79,326.02 = 35,974.46/x
  3. Step 3: Cross multiply
    57,474.69x = 79,326.02 × 35,974.46
  4. Step 4: Simplify right side
    57,474.69x = 2,853,710,156.95
  5. Step 5: Solve for x
    x = 2,853,710,156.95/57,474.69
  6. Step 6: Final answer
    x = 49,651.60

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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.