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Finding the Fourth Proportional to 2,078.44, 2,866.03 and 1,332.43

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Solution

The fourth proportional to 2,078.44, 2,866.03 and 1,332.43 is: 1,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078.44 : 2,866.03 = 1,332.43 : x
  2. Step 2: Convert to fraction form
    2,078.44/2,866.03 = 1,332.43/x
  3. Step 3: Cross multiply
    2,078.44x = 2,866.03 × 1,332.43
  4. Step 4: Simplify right side
    2,078.44x = 3,818,784.35
  5. Step 5: Solve for x
    x = 3,818,784.35/2,078.44
  6. Step 6: Final answer
    x = 1,837.33

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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.