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Finding the Fourth Proportional to 48,963.86, 73,445.79 and 12,027.86

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Solution

The fourth proportional to 48,963.86, 73,445.79 and 12,027.86 is: 18,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,963.86 : 73,445.79 = 12,027.86 : x
  2. Step 2: Convert to fraction form
    48,963.86/73,445.79 = 12,027.86/x
  3. Step 3: Cross multiply
    48,963.86x = 73,445.79 × 12,027.86
  4. Step 4: Simplify right side
    48,963.86x = 883,395,679.71
  5. Step 5: Solve for x
    x = 883,395,679.71/48,963.86
  6. Step 6: Final answer
    x = 18,041.79

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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.