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Finding the Fourth Proportional to 69,666.30, 104,469.21 and 25,278.30

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Solution

The fourth proportional to 69,666.30, 104,469.21 and 25,278.30 is: 37,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,666.30 : 104,469.21 = 25,278.30 : x
  2. Step 2: Convert to fraction form
    69,666.30/104,469.21 = 25,278.30/x
  3. Step 3: Cross multiply
    69,666.30x = 104,469.21 × 25,278.30
  4. Step 4: Simplify right side
    69,666.30x = 2,640,804,031.14
  5. Step 5: Solve for x
    x = 2,640,804,031.14/69,666.30
  6. Step 6: Final answer
    x = 37,906.48

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1.5x scale

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.