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Finding the Fourth Proportional to 37,507.88, 51,761.22 and 20,741.16

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Solution

The fourth proportional to 37,507.88, 51,761.22 and 20,741.16 is: 28,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,507.88 : 51,761.22 = 20,741.16 : x
  2. Step 2: Convert to fraction form
    37,507.88/51,761.22 = 20,741.16/x
  3. Step 3: Cross multiply
    37,507.88x = 51,761.22 × 20,741.16
  4. Step 4: Simplify right side
    37,507.88x = 1,073,587,745.82
  5. Step 5: Solve for x
    x = 1,073,587,745.82/37,507.88
  6. Step 6: Final answer
    x = 28,622.99

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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.