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Finding the Fourth Proportional to 1,963.77, 2,710.02 and 1,067.51

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Solution

The fourth proportional to 1,963.77, 2,710.02 and 1,067.51 is: 1,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.77 : 2,710.02 = 1,067.51 : x
  2. Step 2: Convert to fraction form
    1,963.77/2,710.02 = 1,067.51/x
  3. Step 3: Cross multiply
    1,963.77x = 2,710.02 × 1,067.51
  4. Step 4: Simplify right side
    1,963.77x = 2,892,959.90
  5. Step 5: Solve for x
    x = 2,892,959.90/1,963.77
  6. Step 6: Final answer
    x = 1,473.17

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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.