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Finding the Fourth Proportional to 69,649.30, 104,402.46 and 27,512.32

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Solution

The fourth proportional to 69,649.30, 104,402.46 and 27,512.32 is: 41,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,649.30 : 104,402.46 = 27,512.32 : x
  2. Step 2: Convert to fraction form
    69,649.30/104,402.46 = 27,512.32/x
  3. Step 3: Cross multiply
    69,649.30x = 104,402.46 × 27,512.32
  4. Step 4: Simplify right side
    69,649.30x = 2,872,353,888.31
  5. Step 5: Solve for x
    x = 2,872,353,888.31/69,649.30
  6. Step 6: Final answer
    x = 41,240.24

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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.