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Finding the Fourth Proportional to 12,374.91, 17,067.78 and 8,597.97

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Solution

The fourth proportional to 12,374.91, 17,067.78 and 8,597.97 is: 11,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.91 : 17,067.78 = 8,597.97 : x
  2. Step 2: Convert to fraction form
    12,374.91/17,067.78 = 8,597.97/x
  3. Step 3: Cross multiply
    12,374.91x = 17,067.78 × 8,597.97
  4. Step 4: Simplify right side
    12,374.91x = 146,748,260.41
  5. Step 5: Solve for x
    x = 146,748,260.41/12,374.91
  6. Step 6: Final answer
    x = 11,858.53

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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.