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Finding the Fourth Proportional to 11,671.92, 17,508.90 and 5,008.73

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Solution

The fourth proportional to 11,671.92, 17,508.90 and 5,008.73 is: 7,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.92 : 17,508.90 = 5,008.73 : x
  2. Step 2: Convert to fraction form
    11,671.92/17,508.90 = 5,008.73/x
  3. Step 3: Cross multiply
    11,671.92x = 17,508.90 × 5,008.73
  4. Step 4: Simplify right side
    11,671.92x = 87,697,352.70
  5. Step 5: Solve for x
    x = 87,697,352.70/11,671.92
  6. Step 6: Final answer
    x = 7,513.53

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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.