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Finding the Fourth Proportional to 37,261.56, 51,420.90 and 20,494.56

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Solution

The fourth proportional to 37,261.56, 51,420.90 and 20,494.56 is: 28,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,261.56 : 51,420.90 = 20,494.56 : x
  2. Step 2: Convert to fraction form
    37,261.56/51,420.90 = 20,494.56/x
  3. Step 3: Cross multiply
    37,261.56x = 51,420.90 × 20,494.56
  4. Step 4: Simplify right side
    37,261.56x = 1,053,848,720.30
  5. Step 5: Solve for x
    x = 1,053,848,720.30/37,261.56
  6. Step 6: Final answer
    x = 28,282.46

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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.