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Finding the Fourth Proportional to 48,963.66, 73,450.78 and 15,671.86

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Solution

The fourth proportional to 48,963.66, 73,450.78 and 15,671.86 is: 23,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,963.66 : 73,450.78 = 15,671.86 : x
  2. Step 2: Convert to fraction form
    48,963.66/73,450.78 = 15,671.86/x
  3. Step 3: Cross multiply
    48,963.66x = 73,450.78 × 15,671.86
  4. Step 4: Simplify right side
    48,963.66x = 1,151,110,341.05
  5. Step 5: Solve for x
    x = 1,151,110,341.05/48,963.66
  6. Step 6: Final answer
    x = 23,509.48

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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.