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Finding the Fourth Proportional to 3,261.06, 4,891.53 and 795.81

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Solution

The fourth proportional to 3,261.06, 4,891.53 and 795.81 is: 1,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.06 : 4,891.53 = 795.81 : x
  2. Step 2: Convert to fraction form
    3,261.06/4,891.53 = 795.81/x
  3. Step 3: Cross multiply
    3,261.06x = 4,891.53 × 795.81
  4. Step 4: Simplify right side
    3,261.06x = 3,892,728.49
  5. Step 5: Solve for x
    x = 3,892,728.49/3,261.06
  6. Step 6: Final answer
    x = 1,193.70

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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.