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Finding the Fourth Proportional to 4,672.72, 6,999.03 and 2,203.84

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Solution

The fourth proportional to 4,672.72, 6,999.03 and 2,203.84 is: 3,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.72 : 6,999.03 = 2,203.84 : x
  2. Step 2: Convert to fraction form
    4,672.72/6,999.03 = 2,203.84/x
  3. Step 3: Cross multiply
    4,672.72x = 6,999.03 × 2,203.84
  4. Step 4: Simplify right side
    4,672.72x = 15,424,755.16
  5. Step 5: Solve for x
    x = 15,424,755.16/4,672.72
  6. Step 6: Final answer
    x = 3,301.02

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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.