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Finding the Fourth Proportional to 3,606.15, 5,408.15 and 1,873.83

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Solution

The fourth proportional to 3,606.15, 5,408.15 and 1,873.83 is: 2,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.15 : 5,408.15 = 1,873.83 : x
  2. Step 2: Convert to fraction form
    3,606.15/5,408.15 = 1,873.83/x
  3. Step 3: Cross multiply
    3,606.15x = 5,408.15 × 1,873.83
  4. Step 4: Simplify right side
    3,606.15x = 10,133,944.35
  5. Step 5: Solve for x
    x = 10,133,944.35/3,606.15
  6. Step 6: Final answer
    x = 2,810.18

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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.