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Finding the Fourth Proportional to 48,334.73, 72,528.52 and 18,753.73

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Solution

The fourth proportional to 48,334.73, 72,528.52 and 18,753.73 is: 28,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,334.73 : 72,528.52 = 18,753.73 : x
  2. Step 2: Convert to fraction form
    48,334.73/72,528.52 = 18,753.73/x
  3. Step 3: Cross multiply
    48,334.73x = 72,528.52 × 18,753.73
  4. Step 4: Simplify right side
    48,334.73x = 1,360,180,623.69
  5. Step 5: Solve for x
    x = 1,360,180,623.69/48,334.73
  6. Step 6: Final answer
    x = 28,140.85

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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.