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Finding the Fourth Proportional to 18,261.36, 27,392.04 and 4,410.36

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Solution

The fourth proportional to 18,261.36, 27,392.04 and 4,410.36 is: 6,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.36 : 27,392.04 = 4,410.36 : x
  2. Step 2: Convert to fraction form
    18,261.36/27,392.04 = 4,410.36/x
  3. Step 3: Cross multiply
    18,261.36x = 27,392.04 × 4,410.36
  4. Step 4: Simplify right side
    18,261.36x = 120,808,757.53
  5. Step 5: Solve for x
    x = 120,808,757.53/18,261.36
  6. Step 6: Final answer
    x = 6,615.54

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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.