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Finding the Fourth Proportional to 50,605.20, 75,907.80 and 15,540.30

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Solution

The fourth proportional to 50,605.20, 75,907.80 and 15,540.30 is: 23,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,605.20 : 75,907.80 = 15,540.30 : x
  2. Step 2: Convert to fraction form
    50,605.20/75,907.80 = 15,540.30/x
  3. Step 3: Cross multiply
    50,605.20x = 75,907.80 × 15,540.30
  4. Step 4: Simplify right side
    50,605.20x = 1,179,629,984.34
  5. Step 5: Solve for x
    x = 1,179,629,984.34/50,605.20
  6. Step 6: Final answer
    x = 23,310.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.