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Finding the Fourth Proportional to 8,473.19, 11,692.97 and 4,747.19

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Solution

The fourth proportional to 8,473.19, 11,692.97 and 4,747.19 is: 6,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.19 : 11,692.97 = 4,747.19 : x
  2. Step 2: Convert to fraction form
    8,473.19/11,692.97 = 4,747.19/x
  3. Step 3: Cross multiply
    8,473.19x = 11,692.97 × 4,747.19
  4. Step 4: Simplify right side
    8,473.19x = 55,508,750.25
  5. Step 5: Solve for x
    x = 55,508,750.25/8,473.19
  6. Step 6: Final answer
    x = 6,551.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.