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Finding the Fourth Proportional to 35,216.28, 52,826.36 and 8,921.25

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Solution

The fourth proportional to 35,216.28, 52,826.36 and 8,921.25 is: 13,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,216.28 : 52,826.36 = 8,921.25 : x
  2. Step 2: Convert to fraction form
    35,216.28/52,826.36 = 8,921.25/x
  3. Step 3: Cross multiply
    35,216.28x = 52,826.36 × 8,921.25
  4. Step 4: Simplify right side
    35,216.28x = 471,277,119.54
  5. Step 5: Solve for x
    x = 471,277,119.54/35,216.28
  6. Step 6: Final answer
    x = 13,382.37

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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.