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Finding the Fourth Proportional to 40,367.20, 60,615.60 and 30,517.60

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Solution

The fourth proportional to 40,367.20, 60,615.60 and 30,517.60 is: 45,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,367.20 : 60,615.60 = 30,517.60 : x
  2. Step 2: Convert to fraction form
    40,367.20/60,615.60 = 30,517.60/x
  3. Step 3: Cross multiply
    40,367.20x = 60,615.60 × 30,517.60
  4. Step 4: Simplify right side
    40,367.20x = 1,849,842,634.56
  5. Step 5: Solve for x
    x = 1,849,842,634.56/40,367.20
  6. Step 6: Final answer
    x = 45,825.39

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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.