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Finding the Fourth Proportional to 1,804.26, 2,693.35 and 1,668.99

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Solution

The fourth proportional to 1,804.26, 2,693.35 and 1,668.99 is: 2,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.26 : 2,693.35 = 1,668.99 : x
  2. Step 2: Convert to fraction form
    1,804.26/2,693.35 = 1,668.99/x
  3. Step 3: Cross multiply
    1,804.26x = 2,693.35 × 1,668.99
  4. Step 4: Simplify right side
    1,804.26x = 4,495,174.22
  5. Step 5: Solve for x
    x = 4,495,174.22/1,804.26
  6. Step 6: Final answer
    x = 2,491.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.