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Finding the Fourth Proportional to 2,965.64, 4,093.08 and 1,786.82

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Solution

The fourth proportional to 2,965.64, 4,093.08 and 1,786.82 is: 2,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.64 : 4,093.08 = 1,786.82 : x
  2. Step 2: Convert to fraction form
    2,965.64/4,093.08 = 1,786.82/x
  3. Step 3: Cross multiply
    2,965.64x = 4,093.08 × 1,786.82
  4. Step 4: Simplify right side
    2,965.64x = 7,313,597.21
  5. Step 5: Solve for x
    x = 7,313,597.21/2,965.64
  6. Step 6: Final answer
    x = 2,466.11

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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.