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Finding the Fourth Proportional to 3,750.66, 5,174.96 and 2,553.48

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Solution

The fourth proportional to 3,750.66, 5,174.96 and 2,553.48 is: 3,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.66 : 5,174.96 = 2,553.48 : x
  2. Step 2: Convert to fraction form
    3,750.66/5,174.96 = 2,553.48/x
  3. Step 3: Cross multiply
    3,750.66x = 5,174.96 × 2,553.48
  4. Step 4: Simplify right side
    3,750.66x = 13,214,144.09
  5. Step 5: Solve for x
    x = 13,214,144.09/3,750.66
  6. Step 6: Final answer
    x = 3,523.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.