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Finding the Fourth Proportional to 2,646, 3,651.17 and 1,466.91

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Solution

The fourth proportional to 2,646, 3,651.17 and 1,466.91 is: 2,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646 : 3,651.17 = 1,466.91 : x
  2. Step 2: Convert to fraction form
    2,646/3,651.17 = 1,466.91/x
  3. Step 3: Cross multiply
    2,646x = 3,651.17 × 1,466.91
  4. Step 4: Simplify right side
    2,646x = 5,355,930.45
  5. Step 5: Solve for x
    x = 5,355,930.45/2,646
  6. Step 6: Final answer
    x = 2,024.16

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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.