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Finding the Fourth Proportional to 1,835.78, 2,753.82 and 795.84

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Solution

The fourth proportional to 1,835.78, 2,753.82 and 795.84 is: 1,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.78 : 2,753.82 = 795.84 : x
  2. Step 2: Convert to fraction form
    1,835.78/2,753.82 = 795.84/x
  3. Step 3: Cross multiply
    1,835.78x = 2,753.82 × 795.84
  4. Step 4: Simplify right side
    1,835.78x = 2,191,600.11
  5. Step 5: Solve for x
    x = 2,191,600.11/1,835.78
  6. Step 6: Final answer
    x = 1,193.83

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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.