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Finding the Fourth Proportional to 50,469.62, 69,143.63 and 48,577.86

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Solution

The fourth proportional to 50,469.62, 69,143.63 and 48,577.86 is: 66,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,469.62 : 69,143.63 = 48,577.86 : x
  2. Step 2: Convert to fraction form
    50,469.62/69,143.63 = 48,577.86/x
  3. Step 3: Cross multiply
    50,469.62x = 69,143.63 × 48,577.86
  4. Step 4: Simplify right side
    50,469.62x = 3,358,849,335.14
  5. Step 5: Solve for x
    x = 3,358,849,335.14/50,469.62
  6. Step 6: Final answer
    x = 66,551.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.