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Finding the Fourth Proportional to 5,348.72, 8,020.32 and 1,649.96

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Solution

The fourth proportional to 5,348.72, 8,020.32 and 1,649.96 is: 2,474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.72 : 8,020.32 = 1,649.96 : x
  2. Step 2: Convert to fraction form
    5,348.72/8,020.32 = 1,649.96/x
  3. Step 3: Cross multiply
    5,348.72x = 8,020.32 × 1,649.96
  4. Step 4: Simplify right side
    5,348.72x = 13,233,207.19
  5. Step 5: Solve for x
    x = 13,233,207.19/5,348.72
  6. Step 6: Final answer
    x = 2,474.09

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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.