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Finding the Fourth Proportional to 69,402.98, 95,776.14 and 37,571.88

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Solution

The fourth proportional to 69,402.98, 95,776.14 and 37,571.88 is: 51,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,402.98 : 95,776.14 = 37,571.88 : x
  2. Step 2: Convert to fraction form
    69,402.98/95,776.14 = 37,571.88/x
  3. Step 3: Cross multiply
    69,402.98x = 95,776.14 × 37,571.88
  4. Step 4: Simplify right side
    69,402.98x = 3,598,489,160.06
  5. Step 5: Solve for x
    x = 3,598,489,160.06/69,402.98
  6. Step 6: Final answer
    x = 51,849.20

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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.