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Finding the Fourth Proportional to 37,610.98, 51,902.94 and 20,615.94

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Solution

The fourth proportional to 37,610.98, 51,902.94 and 20,615.94 is: 28,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,610.98 : 51,902.94 = 20,615.94 : x
  2. Step 2: Convert to fraction form
    37,610.98/51,902.94 = 20,615.94/x
  3. Step 3: Cross multiply
    37,610.98x = 51,902.94 × 20,615.94
  4. Step 4: Simplify right side
    37,610.98x = 1,070,028,120.15
  5. Step 5: Solve for x
    x = 1,070,028,120.15/37,610.98
  6. Step 6: Final answer
    x = 28,449.88

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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.