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Finding the Fourth Proportional to 2,986.98, 4,480.46 and 795.88

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Solution

The fourth proportional to 2,986.98, 4,480.46 and 795.88 is: 1,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.98 : 4,480.46 = 795.88 : x
  2. Step 2: Convert to fraction form
    2,986.98/4,480.46 = 795.88/x
  3. Step 3: Cross multiply
    2,986.98x = 4,480.46 × 795.88
  4. Step 4: Simplify right side
    2,986.98x = 3,565,892.38
  5. Step 5: Solve for x
    x = 3,565,892.38/2,986.98
  6. Step 6: Final answer
    x = 1,193.81

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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.