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Finding the Fourth Proportional to 25,067.46, 37,604.46 and 8,420.34

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Solution

The fourth proportional to 25,067.46, 37,604.46 and 8,420.34 is: 12,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,067.46 : 37,604.46 = 8,420.34 : x
  2. Step 2: Convert to fraction form
    25,067.46/37,604.46 = 8,420.34/x
  3. Step 3: Cross multiply
    25,067.46x = 37,604.46 × 8,420.34
  4. Step 4: Simplify right side
    25,067.46x = 316,642,338.72
  5. Step 5: Solve for x
    x = 316,642,338.72/25,067.46
  6. Step 6: Final answer
    x = 12,631.61

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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.