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Finding the Fourth Proportional to 31,069.43, 46,611.44 and 8,882.21

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Solution

The fourth proportional to 31,069.43, 46,611.44 and 8,882.21 is: 13,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,069.43 : 46,611.44 = 8,882.21 : x
  2. Step 2: Convert to fraction form
    31,069.43/46,611.44 = 8,882.21/x
  3. Step 3: Cross multiply
    31,069.43x = 46,611.44 × 8,882.21
  4. Step 4: Simplify right side
    31,069.43x = 414,012,321.01
  5. Step 5: Solve for x
    x = 414,012,321.01/31,069.43
  6. Step 6: Final answer
    x = 13,325.39

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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.