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Finding the Fourth Proportional to 1,295.49, 1,942.94 and 884.52

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Solution

The fourth proportional to 1,295.49, 1,942.94 and 884.52 is: 1,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.49 : 1,942.94 = 884.52 : x
  2. Step 2: Convert to fraction form
    1,295.49/1,942.94 = 884.52/x
  3. Step 3: Cross multiply
    1,295.49x = 1,942.94 × 884.52
  4. Step 4: Simplify right side
    1,295.49x = 1,718,566.52
  5. Step 5: Solve for x
    x = 1,718,566.52/1,295.49
  6. Step 6: Final answer
    x = 1,326.57

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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.