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Finding the Fourth Proportional to 995.84, 1,494.24 and 793.28

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Solution

The fourth proportional to 995.84, 1,494.24 and 793.28 is: 1,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.84 : 1,494.24 = 793.28 : x
  2. Step 2: Convert to fraction form
    995.84/1,494.24 = 793.28/x
  3. Step 3: Cross multiply
    995.84x = 1,494.24 × 793.28
  4. Step 4: Simplify right side
    995.84x = 1,185,350.71
  5. Step 5: Solve for x
    x = 1,185,350.71/995.84
  6. Step 6: Final answer
    x = 1,190.30

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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.