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Finding the Fourth Proportional to 18,624.12, 27,937.39 and 6,933.39

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Solution

The fourth proportional to 18,624.12, 27,937.39 and 6,933.39 is: 10,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.12 : 27,937.39 = 6,933.39 : x
  2. Step 2: Convert to fraction form
    18,624.12/27,937.39 = 6,933.39/x
  3. Step 3: Cross multiply
    18,624.12x = 27,937.39 × 6,933.39
  4. Step 4: Simplify right side
    18,624.12x = 193,700,820.45
  5. Step 5: Solve for x
    x = 193,700,820.45/18,624.12
  6. Step 6: Final answer
    x = 10,400.54

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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.