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Finding the Fourth Proportional to 69,049.64, 95,285.76 and 40,764.44

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Solution

The fourth proportional to 69,049.64, 95,285.76 and 40,764.44 is: 56,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,049.64 : 95,285.76 = 40,764.44 : x
  2. Step 2: Convert to fraction form
    69,049.64/95,285.76 = 40,764.44/x
  3. Step 3: Cross multiply
    69,049.64x = 95,285.76 × 40,764.44
  4. Step 4: Simplify right side
    69,049.64x = 3,884,270,646.37
  5. Step 5: Solve for x
    x = 3,884,270,646.37/69,049.64
  6. Step 6: Final answer
    x = 56,253.31

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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.