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Finding the Fourth Proportional to 1,336.46, 1,844.26 and 746.98

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Solution

The fourth proportional to 1,336.46, 1,844.26 and 746.98 is: 1,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.46 : 1,844.26 = 746.98 : x
  2. Step 2: Convert to fraction form
    1,336.46/1,844.26 = 746.98/x
  3. Step 3: Cross multiply
    1,336.46x = 1,844.26 × 746.98
  4. Step 4: Simplify right side
    1,336.46x = 1,377,618.86
  5. Step 5: Solve for x
    x = 1,377,618.86/1,336.46
  6. Step 6: Final answer
    x = 1,030.80

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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.