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Finding the Fourth Proportional to 2,460.94, 3,387.06 and 1,961.98

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Solution

The fourth proportional to 2,460.94, 3,387.06 and 1,961.98 is: 2,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.94 : 3,387.06 = 1,961.98 : x
  2. Step 2: Convert to fraction form
    2,460.94/3,387.06 = 1,961.98/x
  3. Step 3: Cross multiply
    2,460.94x = 3,387.06 × 1,961.98
  4. Step 4: Simplify right side
    2,460.94x = 6,645,343.98
  5. Step 5: Solve for x
    x = 6,645,343.98/2,460.94
  6. Step 6: Final answer
    x = 2,700.33

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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.