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Finding the Fourth Proportional to 1,848.24, 2,770.72 and 677.97

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Solution

The fourth proportional to 1,848.24, 2,770.72 and 677.97 is: 1,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.24 : 2,770.72 = 677.97 : x
  2. Step 2: Convert to fraction form
    1,848.24/2,770.72 = 677.97/x
  3. Step 3: Cross multiply
    1,848.24x = 2,770.72 × 677.97
  4. Step 4: Simplify right side
    1,848.24x = 1,878,473.07
  5. Step 5: Solve for x
    x = 1,878,473.07/1,848.24
  6. Step 6: Final answer
    x = 1,016.36

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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.