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Finding the Fourth Proportional to 2,364.12, 3,546.33 and 803.69

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Solution

The fourth proportional to 2,364.12, 3,546.33 and 803.69 is: 1,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,364.12 : 3,546.33 = 803.69 : x
  2. Step 2: Convert to fraction form
    2,364.12/3,546.33 = 803.69/x
  3. Step 3: Cross multiply
    2,364.12x = 3,546.33 × 803.69
  4. Step 4: Simplify right side
    2,364.12x = 2,850,147.03
  5. Step 5: Solve for x
    x = 2,850,147.03/2,364.12
  6. Step 6: Final answer
    x = 1,205.58

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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.