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Finding the Fourth Proportional to 29,993.20, 44,982.60 and 9,216.88

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Solution

The fourth proportional to 29,993.20, 44,982.60 and 9,216.88 is: 13,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,993.20 : 44,982.60 = 9,216.88 : x
  2. Step 2: Convert to fraction form
    29,993.20/44,982.60 = 9,216.88/x
  3. Step 3: Cross multiply
    29,993.20x = 44,982.60 × 9,216.88
  4. Step 4: Simplify right side
    29,993.20x = 414,599,226.29
  5. Step 5: Solve for x
    x = 414,599,226.29/29,993.20
  6. Step 6: Final answer
    x = 13,823.11

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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.