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Finding the Fourth Proportional to 69,520.82, 95,938.86 and 37,689.86

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Solution

The fourth proportional to 69,520.82, 95,938.86 and 37,689.86 is: 52,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,520.82 : 95,938.86 = 37,689.86 : x
  2. Step 2: Convert to fraction form
    69,520.82/95,938.86 = 37,689.86/x
  3. Step 3: Cross multiply
    69,520.82x = 95,938.86 × 37,689.86
  4. Step 4: Simplify right side
    69,520.82x = 3,615,922,201.96
  5. Step 5: Solve for x
    x = 3,615,922,201.96/69,520.82
  6. Step 6: Final answer
    x = 52,012.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.