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Finding the Fourth Proportional to 18,094.20, 27,165.60 and 11,533.20

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Solution

The fourth proportional to 18,094.20, 27,165.60 and 11,533.20 is: 17,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,094.20 : 27,165.60 = 11,533.20 : x
  2. Step 2: Convert to fraction form
    18,094.20/27,165.60 = 11,533.20/x
  3. Step 3: Cross multiply
    18,094.20x = 27,165.60 × 11,533.20
  4. Step 4: Simplify right side
    18,094.20x = 313,306,297.92
  5. Step 5: Solve for x
    x = 313,306,297.92/18,094.20
  6. Step 6: Final answer
    x = 17,315.29

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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.