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Finding the Fourth Proportional to 3,326.00, 4,989.11 and 1,475.96

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Solution

The fourth proportional to 3,326.00, 4,989.11 and 1,475.96 is: 2,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.00 : 4,989.11 = 1,475.96 : x
  2. Step 2: Convert to fraction form
    3,326.00/4,989.11 = 1,475.96/x
  3. Step 3: Cross multiply
    3,326.00x = 4,989.11 × 1,475.96
  4. Step 4: Simplify right side
    3,326.00x = 7,363,694.47
  5. Step 5: Solve for x
    x = 7,363,694.47/3,326.00
  6. Step 6: Final answer
    x = 2,213.98

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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.