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Finding the Fourth Proportional to 4,971.23, 7,445.49 and 2,375.99

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Solution

The fourth proportional to 4,971.23, 7,445.49 and 2,375.99 is: 3,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.23 : 7,445.49 = 2,375.99 : x
  2. Step 2: Convert to fraction form
    4,971.23/7,445.49 = 2,375.99/x
  3. Step 3: Cross multiply
    4,971.23x = 7,445.49 × 2,375.99
  4. Step 4: Simplify right side
    4,971.23x = 17,690,372.56
  5. Step 5: Solve for x
    x = 17,690,372.56/4,971.23
  6. Step 6: Final answer
    x = 3,558.55

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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.