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Finding the Fourth Proportional to 10,633.77, 15,917.81 and 6,928.02

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Solution

The fourth proportional to 10,633.77, 15,917.81 and 6,928.02 is: 10,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.77 : 15,917.81 = 6,928.02 : x
  2. Step 2: Convert to fraction form
    10,633.77/15,917.81 = 6,928.02/x
  3. Step 3: Cross multiply
    10,633.77x = 15,917.81 × 6,928.02
  4. Step 4: Simplify right side
    10,633.77x = 110,278,871.40
  5. Step 5: Solve for x
    x = 110,278,871.40/10,633.77
  6. Step 6: Final answer
    x = 10,370.63

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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.