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Finding the Fourth Proportional to 1,946.54, 2,699.99 and 1,876.49

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Solution

The fourth proportional to 1,946.54, 2,699.99 and 1,876.49 is: 2,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.54 : 2,699.99 = 1,876.49 : x
  2. Step 2: Convert to fraction form
    1,946.54/2,699.99 = 1,876.49/x
  3. Step 3: Cross multiply
    1,946.54x = 2,699.99 × 1,876.49
  4. Step 4: Simplify right side
    1,946.54x = 5,066,504.24
  5. Step 5: Solve for x
    x = 5,066,504.24/1,946.54
  6. Step 6: Final answer
    x = 2,602.83

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.