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Finding the Fourth Proportional to 2,804.48, 3,871.02 and 1,626.08

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Solution

The fourth proportional to 2,804.48, 3,871.02 and 1,626.08 is: 2,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.48 : 3,871.02 = 1,626.08 : x
  2. Step 2: Convert to fraction form
    2,804.48/3,871.02 = 1,626.08/x
  3. Step 3: Cross multiply
    2,804.48x = 3,871.02 × 1,626.08
  4. Step 4: Simplify right side
    2,804.48x = 6,294,588.20
  5. Step 5: Solve for x
    x = 6,294,588.20/2,804.48
  6. Step 6: Final answer
    x = 2,244.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.