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Finding the Fourth Proportional to 11,904.92, 17,863.34 and 4,890.14

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Solution

The fourth proportional to 11,904.92, 17,863.34 and 4,890.14 is: 7,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.92 : 17,863.34 = 4,890.14 : x
  2. Step 2: Convert to fraction form
    11,904.92/17,863.34 = 4,890.14/x
  3. Step 3: Cross multiply
    11,904.92x = 17,863.34 × 4,890.14
  4. Step 4: Simplify right side
    11,904.92x = 87,354,119.70
  5. Step 5: Solve for x
    x = 87,354,119.70/11,904.92
  6. Step 6: Final answer
    x = 7,337.65

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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.