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Finding the Fourth Proportional to 48,905.88, 73,362.74 and 15,630.68

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Solution

The fourth proportional to 48,905.88, 73,362.74 and 15,630.68 is: 23,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,905.88 : 73,362.74 = 15,630.68 : x
  2. Step 2: Convert to fraction form
    48,905.88/73,362.74 = 15,630.68/x
  3. Step 3: Cross multiply
    48,905.88x = 73,362.74 × 15,630.68
  4. Step 4: Simplify right side
    48,905.88x = 1,146,709,512.86
  5. Step 5: Solve for x
    x = 1,146,709,512.86/48,905.88
  6. Step 6: Final answer
    x = 23,447.27

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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.