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Finding the Fourth Proportional to 19,794.62, 29,692.94 and 5,003.66

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Solution

The fourth proportional to 19,794.62, 29,692.94 and 5,003.66 is: 7,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,794.62 : 29,692.94 = 5,003.66 : x
  2. Step 2: Convert to fraction form
    19,794.62/29,692.94 = 5,003.66/x
  3. Step 3: Cross multiply
    19,794.62x = 29,692.94 × 5,003.66
  4. Step 4: Simplify right side
    19,794.62x = 148,573,462.90
  5. Step 5: Solve for x
    x = 148,573,462.90/19,794.62
  6. Step 6: Final answer
    x = 7,505.75

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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.