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Finding the Fourth Proportional to 1,846.71, 2,768.74 and 955.04

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Solution

The fourth proportional to 1,846.71, 2,768.74 and 955.04 is: 1,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.71 : 2,768.74 = 955.04 : x
  2. Step 2: Convert to fraction form
    1,846.71/2,768.74 = 955.04/x
  3. Step 3: Cross multiply
    1,846.71x = 2,768.74 × 955.04
  4. Step 4: Simplify right side
    1,846.71x = 2,644,241.22
  5. Step 5: Solve for x
    x = 2,644,241.22/1,846.71
  6. Step 6: Final answer
    x = 1,431.87

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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.