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Finding the Fourth Proportional to 1,852.98, 2,776.20 and 1,330.44

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Solution

The fourth proportional to 1,852.98, 2,776.20 and 1,330.44 is: 1,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.98 : 2,776.20 = 1,330.44 : x
  2. Step 2: Convert to fraction form
    1,852.98/2,776.20 = 1,330.44/x
  3. Step 3: Cross multiply
    1,852.98x = 2,776.20 × 1,330.44
  4. Step 4: Simplify right side
    1,852.98x = 3,693,567.53
  5. Step 5: Solve for x
    x = 3,693,567.53/1,852.98
  6. Step 6: Final answer
    x = 1,993.31

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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.