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Finding the Fourth Proportional to 18,475.27, 27,712.69 and 4,624.27

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Solution

The fourth proportional to 18,475.27, 27,712.69 and 4,624.27 is: 6,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.27 : 27,712.69 = 4,624.27 : x
  2. Step 2: Convert to fraction form
    18,475.27/27,712.69 = 4,624.27/x
  3. Step 3: Cross multiply
    18,475.27x = 27,712.69 × 4,624.27
  4. Step 4: Simplify right side
    18,475.27x = 128,150,960.99
  5. Step 5: Solve for x
    x = 128,150,960.99/18,475.27
  6. Step 6: Final answer
    x = 6,936.35

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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.