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Finding the Fourth Proportional to 4,254.44, 6,381.60 and 1,755.60

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Solution

The fourth proportional to 4,254.44, 6,381.60 and 1,755.60 is: 2,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.44 : 6,381.60 = 1,755.60 : x
  2. Step 2: Convert to fraction form
    4,254.44/6,381.60 = 1,755.60/x
  3. Step 3: Cross multiply
    4,254.44x = 6,381.60 × 1,755.60
  4. Step 4: Simplify right side
    4,254.44x = 11,203,536.96
  5. Step 5: Solve for x
    x = 11,203,536.96/4,254.44
  6. Step 6: Final answer
    x = 2,633.38

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1.5x scale

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.