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Finding the Fourth Proportional to 1,699.96, 2,554.22 and 1,083.96

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Solution

The fourth proportional to 1,699.96, 2,554.22 and 1,083.96 is: 1,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.96 : 2,554.22 = 1,083.96 : x
  2. Step 2: Convert to fraction form
    1,699.96/2,554.22 = 1,083.96/x
  3. Step 3: Cross multiply
    1,699.96x = 2,554.22 × 1,083.96
  4. Step 4: Simplify right side
    1,699.96x = 2,768,672.31
  5. Step 5: Solve for x
    x = 2,768,672.31/1,699.96
  6. Step 6: Final answer
    x = 1,628.67

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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.