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Finding the Fourth Proportional to 25,067.12, 37,600.68 and 8,422.68

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Solution

The fourth proportional to 25,067.12, 37,600.68 and 8,422.68 is: 12,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,067.12 : 37,600.68 = 8,422.68 : x
  2. Step 2: Convert to fraction form
    25,067.12/37,600.68 = 8,422.68/x
  3. Step 3: Cross multiply
    25,067.12x = 37,600.68 × 8,422.68
  4. Step 4: Simplify right side
    25,067.12x = 316,698,644.32
  5. Step 5: Solve for x
    x = 316,698,644.32/25,067.12
  6. Step 6: Final answer
    x = 12,634.03

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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.