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Finding the Fourth Proportional to 1,412, 2,116.32 and 795.44

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Solution

The fourth proportional to 1,412, 2,116.32 and 795.44 is: 1,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412 : 2,116.32 = 795.44 : x
  2. Step 2: Convert to fraction form
    1,412/2,116.32 = 795.44/x
  3. Step 3: Cross multiply
    1,412x = 2,116.32 × 795.44
  4. Step 4: Simplify right side
    1,412x = 1,683,405.58
  5. Step 5: Solve for x
    x = 1,683,405.58/1,412
  6. Step 6: Final answer
    x = 1,192.21

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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.