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Finding the Fourth Proportional to 7,322.00, 10,982.99 and 3,429.14

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Solution

The fourth proportional to 7,322.00, 10,982.99 and 3,429.14 is: 5,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.00 : 10,982.99 = 3,429.14 : x
  2. Step 2: Convert to fraction form
    7,322.00/10,982.99 = 3,429.14/x
  3. Step 3: Cross multiply
    7,322.00x = 10,982.99 × 3,429.14
  4. Step 4: Simplify right side
    7,322.00x = 37,662,163.99
  5. Step 5: Solve for x
    x = 37,662,163.99/7,322.00
  6. Step 6: Final answer
    x = 5,143.70

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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.