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Finding the Fourth Proportional to 57,766.80, 79,675.50 and 36,525.60

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Solution

The fourth proportional to 57,766.80, 79,675.50 and 36,525.60 is: 50,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,766.80 : 79,675.50 = 36,525.60 : x
  2. Step 2: Convert to fraction form
    57,766.80/79,675.50 = 36,525.60/x
  3. Step 3: Cross multiply
    57,766.80x = 79,675.50 × 36,525.60
  4. Step 4: Simplify right side
    57,766.80x = 2,910,195,442.80
  5. Step 5: Solve for x
    x = 2,910,195,442.80/57,766.80
  6. Step 6: Final answer
    x = 50,378.34

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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.