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Finding the Fourth Proportional to 69,652.32, 104,406.96 and 27,515.32

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Solution

The fourth proportional to 69,652.32, 104,406.96 and 27,515.32 is: 41,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,652.32 : 104,406.96 = 27,515.32 : x
  2. Step 2: Convert to fraction form
    69,652.32/104,406.96 = 27,515.32/x
  3. Step 3: Cross multiply
    69,652.32x = 104,406.96 × 27,515.32
  4. Step 4: Simplify right side
    69,652.32x = 2,872,790,914.63
  5. Step 5: Solve for x
    x = 2,872,790,914.63/69,652.32
  6. Step 6: Final answer
    x = 41,244.73

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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.