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Finding the Fourth Proportional to 17,219.60, 23,759.36 and 11,260

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Solution

The fourth proportional to 17,219.60, 23,759.36 and 11,260 is: 15,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.60 : 23,759.36 = 11,260 : x
  2. Step 2: Convert to fraction form
    17,219.60/23,759.36 = 11,260/x
  3. Step 3: Cross multiply
    17,219.60x = 23,759.36 × 11,260
  4. Step 4: Simplify right side
    17,219.60x = 267,530,393.60
  5. Step 5: Solve for x
    x = 267,530,393.60/17,219.60
  6. Step 6: Final answer
    x = 15,536.39

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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.