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Finding the Fourth Proportional to 1,551, 2,140.44 and 852.36

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Solution

The fourth proportional to 1,551, 2,140.44 and 852.36 is: 1,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551 : 2,140.44 = 852.36 : x
  2. Step 2: Convert to fraction form
    1,551/2,140.44 = 852.36/x
  3. Step 3: Cross multiply
    1,551x = 2,140.44 × 852.36
  4. Step 4: Simplify right side
    1,551x = 1,824,425.44
  5. Step 5: Solve for x
    x = 1,824,425.44/1,551
  6. Step 6: Final answer
    x = 1,176.29

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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.