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Finding the Fourth Proportional to 50,472.63, 69,147.75 and 48,580.86

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Solution

The fourth proportional to 50,472.63, 69,147.75 and 48,580.86 is: 66,556.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,472.63 : 69,147.75 = 48,580.86 : x
  2. Step 2: Convert to fraction form
    50,472.63/69,147.75 = 48,580.86/x
  3. Step 3: Cross multiply
    50,472.63x = 69,147.75 × 48,580.86
  4. Step 4: Simplify right side
    50,472.63x = 3,359,257,162.07
  5. Step 5: Solve for x
    x = 3,359,257,162.07/50,472.63
  6. Step 6: Final answer
    x = 66,556.02

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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.