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Finding the Fourth Proportional to 11,359.40, 17,041.52 and 3,568

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Solution

The fourth proportional to 11,359.40, 17,041.52 and 3,568 is: 5,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.40 : 17,041.52 = 3,568 : x
  2. Step 2: Convert to fraction form
    11,359.40/17,041.52 = 3,568/x
  3. Step 3: Cross multiply
    11,359.40x = 17,041.52 × 3,568
  4. Step 4: Simplify right side
    11,359.40x = 60,804,143.36
  5. Step 5: Solve for x
    x = 60,804,143.36/11,359.40
  6. Step 6: Final answer
    x = 5,352.76

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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.