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Finding the Fourth Proportional to 18,337.91, 27,486.99 and 8,984.25

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Solution

The fourth proportional to 18,337.91, 27,486.99 and 8,984.25 is: 13,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.91 : 27,486.99 = 8,984.25 : x
  2. Step 2: Convert to fraction form
    18,337.91/27,486.99 = 8,984.25/x
  3. Step 3: Cross multiply
    18,337.91x = 27,486.99 × 8,984.25
  4. Step 4: Simplify right side
    18,337.91x = 246,949,989.91
  5. Step 5: Solve for x
    x = 246,949,989.91/18,337.91
  6. Step 6: Final answer
    x = 13,466.64

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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.