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Finding the Fourth Proportional to 4,669.22, 6,443.43 and 2,680.99

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Solution

The fourth proportional to 4,669.22, 6,443.43 and 2,680.99 is: 3,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.22 : 6,443.43 = 2,680.99 : x
  2. Step 2: Convert to fraction form
    4,669.22/6,443.43 = 2,680.99/x
  3. Step 3: Cross multiply
    4,669.22x = 6,443.43 × 2,680.99
  4. Step 4: Simplify right side
    4,669.22x = 17,274,771.40
  5. Step 5: Solve for x
    x = 17,274,771.40/4,669.22
  6. Step 6: Final answer
    x = 3,699.71

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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.