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Finding the Fourth Proportional to 9,093.80, 13,642.93 and 3,169.87

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Solution

The fourth proportional to 9,093.80, 13,642.93 and 3,169.87 is: 4,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,093.80 : 13,642.93 = 3,169.87 : x
  2. Step 2: Convert to fraction form
    9,093.80/13,642.93 = 3,169.87/x
  3. Step 3: Cross multiply
    9,093.80x = 13,642.93 × 3,169.87
  4. Step 4: Simplify right side
    9,093.80x = 43,246,284.37
  5. Step 5: Solve for x
    x = 43,246,284.37/9,093.80
  6. Step 6: Final answer
    x = 4,755.58

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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.