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Finding the Fourth Proportional to 1,832.83, 2,747.32 and 907.81

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Solution

The fourth proportional to 1,832.83, 2,747.32 and 907.81 is: 1,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.83 : 2,747.32 = 907.81 : x
  2. Step 2: Convert to fraction form
    1,832.83/2,747.32 = 907.81/x
  3. Step 3: Cross multiply
    1,832.83x = 2,747.32 × 907.81
  4. Step 4: Simplify right side
    1,832.83x = 2,494,035.43
  5. Step 5: Solve for x
    x = 2,494,035.43/1,832.83
  6. Step 6: Final answer
    x = 1,360.76

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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.