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Finding the Fourth Proportional to 1,336.23, 1,844.23 and 746.66

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Solution

The fourth proportional to 1,336.23, 1,844.23 and 746.66 is: 1,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.23 : 1,844.23 = 746.66 : x
  2. Step 2: Convert to fraction form
    1,336.23/1,844.23 = 746.66/x
  3. Step 3: Cross multiply
    1,336.23x = 1,844.23 × 746.66
  4. Step 4: Simplify right side
    1,336.23x = 1,377,012.77
  5. Step 5: Solve for x
    x = 1,377,012.77/1,336.23
  6. Step 6: Final answer
    x = 1,030.52

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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.