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Finding the Fourth Proportional to 6,383.93, 8,809.61 and 3,551.22

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Solution

The fourth proportional to 6,383.93, 8,809.61 and 3,551.22 is: 4,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.93 : 8,809.61 = 3,551.22 : x
  2. Step 2: Convert to fraction form
    6,383.93/8,809.61 = 3,551.22/x
  3. Step 3: Cross multiply
    6,383.93x = 8,809.61 × 3,551.22
  4. Step 4: Simplify right side
    6,383.93x = 31,284,845.47
  5. Step 5: Solve for x
    x = 31,284,845.47/6,383.93
  6. Step 6: Final answer
    x = 4,900.57

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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.