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Finding the Fourth Proportional to 1,333.82, 2,000.46 and 1,267.96

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Solution

The fourth proportional to 1,333.82, 2,000.46 and 1,267.96 is: 1,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.82 : 2,000.46 = 1,267.96 : x
  2. Step 2: Convert to fraction form
    1,333.82/2,000.46 = 1,267.96/x
  3. Step 3: Cross multiply
    1,333.82x = 2,000.46 × 1,267.96
  4. Step 4: Simplify right side
    1,333.82x = 2,536,503.26
  5. Step 5: Solve for x
    x = 2,536,503.26/1,333.82
  6. Step 6: Final answer
    x = 1,901.68

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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.