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Finding the Fourth Proportional to 69,049.77, 95,274.39 and 40,363.89

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Solution

The fourth proportional to 69,049.77, 95,274.39 and 40,363.89 is: 55,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,049.77 : 95,274.39 = 40,363.89 : x
  2. Step 2: Convert to fraction form
    69,049.77/95,274.39 = 40,363.89/x
  3. Step 3: Cross multiply
    69,049.77x = 95,274.39 × 40,363.89
  4. Step 4: Simplify right side
    69,049.77x = 3,845,644,997.78
  5. Step 5: Solve for x
    x = 3,845,644,997.78/69,049.77
  6. Step 6: Final answer
    x = 55,693.81

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1.5x scale

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.