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Finding the Fourth Proportional to 13,475.08, 20,215.82 and 4,241

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Solution

The fourth proportional to 13,475.08, 20,215.82 and 4,241 is: 6,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.08 : 20,215.82 = 4,241 : x
  2. Step 2: Convert to fraction form
    13,475.08/20,215.82 = 4,241/x
  3. Step 3: Cross multiply
    13,475.08x = 20,215.82 × 4,241
  4. Step 4: Simplify right side
    13,475.08x = 85,735,292.62
  5. Step 5: Solve for x
    x = 85,735,292.62/13,475.08
  6. Step 6: Final answer
    x = 6,362.51

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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.