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Finding the Fourth Proportional to 69,327.56, 95,672.57 and 40,647.96

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Solution

The fourth proportional to 69,327.56, 95,672.57 and 40,647.96 is: 56,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,327.56 : 95,672.57 = 40,647.96 : x
  2. Step 2: Convert to fraction form
    69,327.56/95,672.57 = 40,647.96/x
  3. Step 3: Cross multiply
    69,327.56x = 95,672.57 × 40,647.96
  4. Step 4: Simplify right side
    69,327.56x = 3,888,894,595.22
  5. Step 5: Solve for x
    x = 3,888,894,595.22/69,327.56
  6. Step 6: Final answer
    x = 56,094.49

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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.