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Finding the Fourth Proportional to 7,073.93, 10,611.41 and 2,143.96

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Solution

The fourth proportional to 7,073.93, 10,611.41 and 2,143.96 is: 3,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.93 : 10,611.41 = 2,143.96 : x
  2. Step 2: Convert to fraction form
    7,073.93/10,611.41 = 2,143.96/x
  3. Step 3: Cross multiply
    7,073.93x = 10,611.41 × 2,143.96
  4. Step 4: Simplify right side
    7,073.93x = 22,750,401.34
  5. Step 5: Solve for x
    x = 22,750,401.34/7,073.93
  6. Step 6: Final answer
    x = 3,216.09

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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.