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Finding the Fourth Proportional to 63,136.44, 87,123.33 and 37,640.88

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Solution

The fourth proportional to 63,136.44, 87,123.33 and 37,640.88 is: 51,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,136.44 : 87,123.33 = 37,640.88 : x
  2. Step 2: Convert to fraction form
    63,136.44/87,123.33 = 37,640.88/x
  3. Step 3: Cross multiply
    63,136.44x = 87,123.33 × 37,640.88
  4. Step 4: Simplify right side
    63,136.44x = 3,279,398,809.73
  5. Step 5: Solve for x
    x = 3,279,398,809.73/63,136.44
  6. Step 6: Final answer
    x = 51,941.46

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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.