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Finding the Fourth Proportional to 29,697.82, 44,497.31 and 20,914.28

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Solution

The fourth proportional to 29,697.82, 44,497.31 and 20,914.28 is: 31,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,697.82 : 44,497.31 = 20,914.28 : x
  2. Step 2: Convert to fraction form
    29,697.82/44,497.31 = 20,914.28/x
  3. Step 3: Cross multiply
    29,697.82x = 44,497.31 × 20,914.28
  4. Step 4: Simplify right side
    29,697.82x = 930,629,200.59
  5. Step 5: Solve for x
    x = 930,629,200.59/29,697.82
  6. Step 6: Final answer
    x = 31,336.62

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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.