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Finding the Fourth Proportional to 37,343.56, 51,531.78 and 20,576.56

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Solution

The fourth proportional to 37,343.56, 51,531.78 and 20,576.56 is: 28,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,343.56 : 51,531.78 = 20,576.56 : x
  2. Step 2: Convert to fraction form
    37,343.56/51,531.78 = 20,576.56/x
  3. Step 3: Cross multiply
    37,343.56x = 51,531.78 × 20,576.56
  4. Step 4: Simplify right side
    37,343.56x = 1,060,346,763.08
  5. Step 5: Solve for x
    x = 1,060,346,763.08/37,343.56
  6. Step 6: Final answer
    x = 28,394.37

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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.