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Finding the Fourth Proportional to 40,333.20, 60,456.60 and 15,363.60

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Solution

The fourth proportional to 40,333.20, 60,456.60 and 15,363.60 is: 23,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,333.20 : 60,456.60 = 15,363.60 : x
  2. Step 2: Convert to fraction form
    40,333.20/60,456.60 = 15,363.60/x
  3. Step 3: Cross multiply
    40,333.20x = 60,456.60 × 15,363.60
  4. Step 4: Simplify right side
    40,333.20x = 928,831,019.76
  5. Step 5: Solve for x
    x = 928,831,019.76/40,333.20
  6. Step 6: Final answer
    x = 23,028.94

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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.