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Finding the Fourth Proportional to 11,626.89, 17,438.89 and 3,730.29

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Solution

The fourth proportional to 11,626.89, 17,438.89 and 3,730.29 is: 5,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626.89 : 17,438.89 = 3,730.29 : x
  2. Step 2: Convert to fraction form
    11,626.89/17,438.89 = 3,730.29/x
  3. Step 3: Cross multiply
    11,626.89x = 17,438.89 × 3,730.29
  4. Step 4: Simplify right side
    11,626.89x = 65,052,116.98
  5. Step 5: Solve for x
    x = 65,052,116.98/11,626.89
  6. Step 6: Final answer
    x = 5,594.97

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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.