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Finding the Fourth Proportional to 3,356.58, 4,631.43 and 1,959.06

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Solution

The fourth proportional to 3,356.58, 4,631.43 and 1,959.06 is: 2,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.58 : 4,631.43 = 1,959.06 : x
  2. Step 2: Convert to fraction form
    3,356.58/4,631.43 = 1,959.06/x
  3. Step 3: Cross multiply
    3,356.58x = 4,631.43 × 1,959.06
  4. Step 4: Simplify right side
    3,356.58x = 9,073,249.26
  5. Step 5: Solve for x
    x = 9,073,249.26/3,356.58
  6. Step 6: Final answer
    x = 2,703.12

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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.