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Finding the Fourth Proportional to 3,634, 5,451.05 and 1,036.94

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Solution

The fourth proportional to 3,634, 5,451.05 and 1,036.94 is: 1,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634 : 5,451.05 = 1,036.94 : x
  2. Step 2: Convert to fraction form
    3,634/5,451.05 = 1,036.94/x
  3. Step 3: Cross multiply
    3,634x = 5,451.05 × 1,036.94
  4. Step 4: Simplify right side
    3,634x = 5,652,400.75
  5. Step 5: Solve for x
    x = 5,652,400.75/3,634
  6. Step 6: Final answer
    x = 1,555.42

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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.