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Finding the Fourth Proportional to 10,679.78, 16,022.19 and 3,660.14

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Solution

The fourth proportional to 10,679.78, 16,022.19 and 3,660.14 is: 5,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.78 : 16,022.19 = 3,660.14 : x
  2. Step 2: Convert to fraction form
    10,679.78/16,022.19 = 3,660.14/x
  3. Step 3: Cross multiply
    10,679.78x = 16,022.19 × 3,660.14
  4. Step 4: Simplify right side
    10,679.78x = 58,643,458.51
  5. Step 5: Solve for x
    x = 58,643,458.51/10,679.78
  6. Step 6: Final answer
    x = 5,491.07

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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.