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Finding the Fourth Proportional to 75,375.55, 113,030.52 and 37,912.24

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Solution

The fourth proportional to 75,375.55, 113,030.52 and 37,912.24 is: 56,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,375.55 : 113,030.52 = 37,912.24 : x
  2. Step 2: Convert to fraction form
    75,375.55/113,030.52 = 37,912.24/x
  3. Step 3: Cross multiply
    75,375.55x = 113,030.52 × 37,912.24
  4. Step 4: Simplify right side
    75,375.55x = 4,285,240,201.56
  5. Step 5: Solve for x
    x = 4,285,240,201.56/75,375.55
  6. Step 6: Final answer
    x = 56,851.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.