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Finding the Fourth Proportional to 37,399.88, 51,611.84 and 20,632.88

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Solution

The fourth proportional to 37,399.88, 51,611.84 and 20,632.88 is: 28,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,399.88 : 51,611.84 = 20,632.88 : x
  2. Step 2: Convert to fraction form
    37,399.88/51,611.84 = 20,632.88/x
  3. Step 3: Cross multiply
    37,399.88x = 51,611.84 × 20,632.88
  4. Step 4: Simplify right side
    37,399.88x = 1,064,900,540.08
  5. Step 5: Solve for x
    x = 1,064,900,540.08/37,399.88
  6. Step 6: Final answer
    x = 28,473.37

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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.