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Finding the Fourth Proportional to 1,855.96, 2,562.94 and 1,193.96

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Solution

The fourth proportional to 1,855.96, 2,562.94 and 1,193.96 is: 1,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.96 : 2,562.94 = 1,193.96 : x
  2. Step 2: Convert to fraction form
    1,855.96/2,562.94 = 1,193.96/x
  3. Step 3: Cross multiply
    1,855.96x = 2,562.94 × 1,193.96
  4. Step 4: Simplify right side
    1,855.96x = 3,060,032.04
  5. Step 5: Solve for x
    x = 3,060,032.04/1,855.96
  6. Step 6: Final answer
    x = 1,648.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.