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Finding the Fourth Proportional to 3,393.63, 5,091.00 and 1,201.88

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Solution

The fourth proportional to 3,393.63, 5,091.00 and 1,201.88 is: 1,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.63 : 5,091.00 = 1,201.88 : x
  2. Step 2: Convert to fraction form
    3,393.63/5,091.00 = 1,201.88/x
  3. Step 3: Cross multiply
    3,393.63x = 5,091.00 × 1,201.88
  4. Step 4: Simplify right side
    3,393.63x = 6,118,765.07
  5. Step 5: Solve for x
    x = 6,118,765.07/3,393.63
  6. Step 6: Final answer
    x = 1,803.01

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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.