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Finding the Fourth Proportional to 3,636.83, 5,456.03 and 1,296.96

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Solution

The fourth proportional to 3,636.83, 5,456.03 and 1,296.96 is: 1,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.83 : 5,456.03 = 1,296.96 : x
  2. Step 2: Convert to fraction form
    3,636.83/5,456.03 = 1,296.96/x
  3. Step 3: Cross multiply
    3,636.83x = 5,456.03 × 1,296.96
  4. Step 4: Simplify right side
    3,636.83x = 7,076,246.18
  5. Step 5: Solve for x
    x = 7,076,246.18/3,636.83
  6. Step 6: Final answer
    x = 1,945.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.