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Finding the Fourth Proportional to 17,468.80, 26,228.80 and 12,297.60

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Solution

The fourth proportional to 17,468.80, 26,228.80 and 12,297.60 is: 18,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,468.80 : 26,228.80 = 12,297.60 : x
  2. Step 2: Convert to fraction form
    17,468.80/26,228.80 = 12,297.60/x
  3. Step 3: Cross multiply
    17,468.80x = 26,228.80 × 12,297.60
  4. Step 4: Simplify right side
    17,468.80x = 322,551,290.88
  5. Step 5: Solve for x
    x = 322,551,290.88/17,468.80
  6. Step 6: Final answer
    x = 18,464.42

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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.