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Finding the Fourth Proportional to 1,968.24, 2,952.31 and 797.93

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Solution

The fourth proportional to 1,968.24, 2,952.31 and 797.93 is: 1,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.24 : 2,952.31 = 797.93 : x
  2. Step 2: Convert to fraction form
    1,968.24/2,952.31 = 797.93/x
  3. Step 3: Cross multiply
    1,968.24x = 2,952.31 × 797.93
  4. Step 4: Simplify right side
    1,968.24x = 2,355,724.00
  5. Step 5: Solve for x
    x = 2,355,724.00/1,968.24
  6. Step 6: Final answer
    x = 1,196.87

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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.