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Finding the Fourth Proportional to 69,503.82, 95,915.34 and 37,672.76

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Solution

The fourth proportional to 69,503.82, 95,915.34 and 37,672.76 is: 51,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,503.82 : 95,915.34 = 37,672.76 : x
  2. Step 2: Convert to fraction form
    69,503.82/95,915.34 = 37,672.76/x
  3. Step 3: Cross multiply
    69,503.82x = 95,915.34 × 37,672.76
  4. Step 4: Simplify right side
    69,503.82x = 3,613,395,104.56
  5. Step 5: Solve for x
    x = 3,613,395,104.56/69,503.82
  6. Step 6: Final answer
    x = 51,988.44

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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.