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Finding the Fourth Proportional to 1,412.02, 2,116.31 and 796.32

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Solution

The fourth proportional to 1,412.02, 2,116.31 and 796.32 is: 1,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.02 : 2,116.31 = 796.32 : x
  2. Step 2: Convert to fraction form
    1,412.02/2,116.31 = 796.32/x
  3. Step 3: Cross multiply
    1,412.02x = 2,116.31 × 796.32
  4. Step 4: Simplify right side
    1,412.02x = 1,685,259.98
  5. Step 5: Solve for x
    x = 1,685,259.98/1,412.02
  6. Step 6: Final answer
    x = 1,193.51

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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.