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Finding the Fourth Proportional to 17,077.20, 25,599.60 and 15,327.60

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Solution

The fourth proportional to 17,077.20, 25,599.60 and 15,327.60 is: 22,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,077.20 : 25,599.60 = 15,327.60 : x
  2. Step 2: Convert to fraction form
    17,077.20/25,599.60 = 15,327.60/x
  3. Step 3: Cross multiply
    17,077.20x = 25,599.60 × 15,327.60
  4. Step 4: Simplify right side
    17,077.20x = 392,380,428.96
  5. Step 5: Solve for x
    x = 392,380,428.96/17,077.20
  6. Step 6: Final answer
    x = 22,976.86

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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.