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Finding the Fourth Proportional to 1,995.52, 2,994 and 841.36

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Solution

The fourth proportional to 1,995.52, 2,994 and 841.36 is: 1,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.52 : 2,994 = 841.36 : x
  2. Step 2: Convert to fraction form
    1,995.52/2,994 = 841.36/x
  3. Step 3: Cross multiply
    1,995.52x = 2,994 × 841.36
  4. Step 4: Simplify right side
    1,995.52x = 2,519,031.84
  5. Step 5: Solve for x
    x = 2,519,031.84/1,995.52
  6. Step 6: Final answer
    x = 1,262.34

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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.