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Finding the Fourth Proportional to 995.44, 1,373.75 and 746.32

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Solution

The fourth proportional to 995.44, 1,373.75 and 746.32 is: 1,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.44 : 1,373.75 = 746.32 : x
  2. Step 2: Convert to fraction form
    995.44/1,373.75 = 746.32/x
  3. Step 3: Cross multiply
    995.44x = 1,373.75 × 746.32
  4. Step 4: Simplify right side
    995.44x = 1,025,257.10
  5. Step 5: Solve for x
    x = 1,025,257.10/995.44
  6. Step 6: Final answer
    x = 1,029.95

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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.