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Finding the Fourth Proportional to 15,168.96, 22,768.20 and 11,599.20

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Solution

The fourth proportional to 15,168.96, 22,768.20 and 11,599.20 is: 17,410.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.96 : 22,768.20 = 11,599.20 : x
  2. Step 2: Convert to fraction form
    15,168.96/22,768.20 = 11,599.20/x
  3. Step 3: Cross multiply
    15,168.96x = 22,768.20 × 11,599.20
  4. Step 4: Simplify right side
    15,168.96x = 264,092,905.44
  5. Step 5: Solve for x
    x = 264,092,905.44/15,168.96
  6. Step 6: Final answer
    x = 17,410.09

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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.