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Finding the Fourth Proportional to 18,384.96, 27,588.24 and 6,698.88

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Solution

The fourth proportional to 18,384.96, 27,588.24 and 6,698.88 is: 10,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.96 : 27,588.24 = 6,698.88 : x
  2. Step 2: Convert to fraction form
    18,384.96/27,588.24 = 6,698.88/x
  3. Step 3: Cross multiply
    18,384.96x = 27,588.24 × 6,698.88
  4. Step 4: Simplify right side
    18,384.96x = 184,810,309.17
  5. Step 5: Solve for x
    x = 184,810,309.17/18,384.96
  6. Step 6: Final answer
    x = 10,052.26

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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.