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Finding the Fourth Proportional to 1,808.37, 2,712.15 and 833.52

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Solution

The fourth proportional to 1,808.37, 2,712.15 and 833.52 is: 1,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.37 : 2,712.15 = 833.52 : x
  2. Step 2: Convert to fraction form
    1,808.37/2,712.15 = 833.52/x
  3. Step 3: Cross multiply
    1,808.37x = 2,712.15 × 833.52
  4. Step 4: Simplify right side
    1,808.37x = 2,260,631.27
  5. Step 5: Solve for x
    x = 2,260,631.27/1,808.37
  6. Step 6: Final answer
    x = 1,250.09

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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.