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Finding the Fourth Proportional to 2,236.83, 3,355.81 and 1,580.00

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Solution

The fourth proportional to 2,236.83, 3,355.81 and 1,580.00 is: 2,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.83 : 3,355.81 = 1,580.00 : x
  2. Step 2: Convert to fraction form
    2,236.83/3,355.81 = 1,580.00/x
  3. Step 3: Cross multiply
    2,236.83x = 3,355.81 × 1,580.00
  4. Step 4: Simplify right side
    2,236.83x = 5,302,163.02
  5. Step 5: Solve for x
    x = 5,302,163.02/2,236.83
  6. Step 6: Final answer
    x = 2,370.39

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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.