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Finding the Fourth Proportional to 10,754.71, 16,131.49 and 3,358.32

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Solution

The fourth proportional to 10,754.71, 16,131.49 and 3,358.32 is: 5,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.71 : 16,131.49 = 3,358.32 : x
  2. Step 2: Convert to fraction form
    10,754.71/16,131.49 = 3,358.32/x
  3. Step 3: Cross multiply
    10,754.71x = 16,131.49 × 3,358.32
  4. Step 4: Simplify right side
    10,754.71x = 54,174,697.10
  5. Step 5: Solve for x
    x = 54,174,697.10/10,754.71
  6. Step 6: Final answer
    x = 5,037.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.