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Finding the Fourth Proportional to 1,783.13, 2,675.33 and 795.85

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Solution

The fourth proportional to 1,783.13, 2,675.33 and 795.85 is: 1,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783.13 : 2,675.33 = 795.85 : x
  2. Step 2: Convert to fraction form
    1,783.13/2,675.33 = 795.85/x
  3. Step 3: Cross multiply
    1,783.13x = 2,675.33 × 795.85
  4. Step 4: Simplify right side
    1,783.13x = 2,129,170.14
  5. Step 5: Solve for x
    x = 2,129,170.14/1,783.13
  6. Step 6: Final answer
    x = 1,194.06

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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.