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Finding the Fourth Proportional to 1,664.44, 2,495.26 and 884.40

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Solution

The fourth proportional to 1,664.44, 2,495.26 and 884.40 is: 1,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.44 : 2,495.26 = 884.40 : x
  2. Step 2: Convert to fraction form
    1,664.44/2,495.26 = 884.40/x
  3. Step 3: Cross multiply
    1,664.44x = 2,495.26 × 884.40
  4. Step 4: Simplify right side
    1,664.44x = 2,206,807.94
  5. Step 5: Solve for x
    x = 2,206,807.94/1,664.44
  6. Step 6: Final answer
    x = 1,325.86

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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.