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Finding the Fourth Proportional to 69,741.52, 96,243.22 and 37,910.64

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Solution

The fourth proportional to 69,741.52, 96,243.22 and 37,910.64 is: 52,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,741.52 : 96,243.22 = 37,910.64 : x
  2. Step 2: Convert to fraction form
    69,741.52/96,243.22 = 37,910.64/x
  3. Step 3: Cross multiply
    69,741.52x = 96,243.22 × 37,910.64
  4. Step 4: Simplify right side
    69,741.52x = 3,648,642,474.16
  5. Step 5: Solve for x
    x = 3,648,642,474.16/69,741.52
  6. Step 6: Final answer
    x = 52,316.65

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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.