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Finding the Fourth Proportional to 3,636.00, 5,018.48 and 2,309.45

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Solution

The fourth proportional to 3,636.00, 5,018.48 and 2,309.45 is: 3,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.00 : 5,018.48 = 2,309.45 : x
  2. Step 2: Convert to fraction form
    3,636.00/5,018.48 = 2,309.45/x
  3. Step 3: Cross multiply
    3,636.00x = 5,018.48 × 2,309.45
  4. Step 4: Simplify right side
    3,636.00x = 11,589,928.32
  5. Step 5: Solve for x
    x = 11,589,928.32/3,636.00
  6. Step 6: Final answer
    x = 3,187.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.