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Finding the Fourth Proportional to 5,453.97, 8,181.20 and 1,755.91

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Solution

The fourth proportional to 5,453.97, 8,181.20 and 1,755.91 is: 2,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.97 : 8,181.20 = 1,755.91 : x
  2. Step 2: Convert to fraction form
    5,453.97/8,181.20 = 1,755.91/x
  3. Step 3: Cross multiply
    5,453.97x = 8,181.20 × 1,755.91
  4. Step 4: Simplify right side
    5,453.97x = 14,365,465.51
  5. Step 5: Solve for x
    x = 14,365,465.51/5,453.97
  6. Step 6: Final answer
    x = 2,633.95

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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.