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Finding the Fourth Proportional to 18,533.91, 27,800.91 and 4,493.88

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Solution

The fourth proportional to 18,533.91, 27,800.91 and 4,493.88 is: 6,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.91 : 27,800.91 = 4,493.88 : x
  2. Step 2: Convert to fraction form
    18,533.91/27,800.91 = 4,493.88/x
  3. Step 3: Cross multiply
    18,533.91x = 27,800.91 × 4,493.88
  4. Step 4: Simplify right side
    18,533.91x = 124,933,953.43
  5. Step 5: Solve for x
    x = 124,933,953.43/18,533.91
  6. Step 6: Final answer
    x = 6,740.83

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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.