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Finding the Fourth Proportional to 69,504, 95,915.52 and 37,672.80

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Solution

The fourth proportional to 69,504, 95,915.52 and 37,672.80 is: 51,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,504 : 95,915.52 = 37,672.80 : x
  2. Step 2: Convert to fraction form
    69,504/95,915.52 = 37,672.80/x
  3. Step 3: Cross multiply
    69,504x = 95,915.52 × 37,672.80
  4. Step 4: Simplify right side
    69,504x = 3,613,406,201.86
  5. Step 5: Solve for x
    x = 3,613,406,201.86/69,504
  6. Step 6: Final answer
    x = 51,988.46

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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.