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Finding the Fourth Proportional to 2,054.52, 3,083.84 and 959.66

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Solution

The fourth proportional to 2,054.52, 3,083.84 and 959.66 is: 1,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.52 : 3,083.84 = 959.66 : x
  2. Step 2: Convert to fraction form
    2,054.52/3,083.84 = 959.66/x
  3. Step 3: Cross multiply
    2,054.52x = 3,083.84 × 959.66
  4. Step 4: Simplify right side
    2,054.52x = 2,959,417.68
  5. Step 5: Solve for x
    x = 2,959,417.68/2,054.52
  6. Step 6: Final answer
    x = 1,440.44

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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.