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Finding the Fourth Proportional to 1,951.62, 2,693.23 and 1,112.32

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Solution

The fourth proportional to 1,951.62, 2,693.23 and 1,112.32 is: 1,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.62 : 2,693.23 = 1,112.32 : x
  2. Step 2: Convert to fraction form
    1,951.62/2,693.23 = 1,112.32/x
  3. Step 3: Cross multiply
    1,951.62x = 2,693.23 × 1,112.32
  4. Step 4: Simplify right side
    1,951.62x = 2,995,714.57
  5. Step 5: Solve for x
    x = 2,995,714.57/1,951.62
  6. Step 6: Final answer
    x = 1,534.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.