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Finding the Fourth Proportional to 7,322.68, 10,991.30 and 4,037.32

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Solution

The fourth proportional to 7,322.68, 10,991.30 and 4,037.32 is: 6,059.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.68 : 10,991.30 = 4,037.32 : x
  2. Step 2: Convert to fraction form
    7,322.68/10,991.30 = 4,037.32/x
  3. Step 3: Cross multiply
    7,322.68x = 10,991.30 × 4,037.32
  4. Step 4: Simplify right side
    7,322.68x = 44,375,350.45
  5. Step 5: Solve for x
    x = 44,375,350.45/7,322.68
  6. Step 6: Final answer
    x = 6,059.99

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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.