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Finding the Fourth Proportional to 3,381.54, 4,663.53 and 2,499.54

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Solution

The fourth proportional to 3,381.54, 4,663.53 and 2,499.54 is: 3,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.54 : 4,663.53 = 2,499.54 : x
  2. Step 2: Convert to fraction form
    3,381.54/4,663.53 = 2,499.54/x
  3. Step 3: Cross multiply
    3,381.54x = 4,663.53 × 2,499.54
  4. Step 4: Simplify right side
    3,381.54x = 11,656,679.78
  5. Step 5: Solve for x
    x = 11,656,679.78/3,381.54
  6. Step 6: Final answer
    x = 3,447.15

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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.