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Finding the Fourth Proportional to 17,297.60, 25,927.20 and 8,974.40

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Solution

The fourth proportional to 17,297.60, 25,927.20 and 8,974.40 is: 13,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297.60 : 25,927.20 = 8,974.40 : x
  2. Step 2: Convert to fraction form
    17,297.60/25,927.20 = 8,974.40/x
  3. Step 3: Cross multiply
    17,297.60x = 25,927.20 × 8,974.40
  4. Step 4: Simplify right side
    17,297.60x = 232,681,063.68
  5. Step 5: Solve for x
    x = 232,681,063.68/17,297.60
  6. Step 6: Final answer
    x = 13,451.64

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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.