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Finding the Fourth Proportional to 40,157.20, 60,192.60 and 15,187.60

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Solution

The fourth proportional to 40,157.20, 60,192.60 and 15,187.60 is: 22,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.20 : 60,192.60 = 15,187.60 : x
  2. Step 2: Convert to fraction form
    40,157.20/60,192.60 = 15,187.60/x
  3. Step 3: Cross multiply
    40,157.20x = 60,192.60 × 15,187.60
  4. Step 4: Simplify right side
    40,157.20x = 914,181,131.76
  5. Step 5: Solve for x
    x = 914,181,131.76/40,157.20
  6. Step 6: Final answer
    x = 22,765.06

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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.