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Finding the Fourth Proportional to 995.10, 1,373.67 and 941.10

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Solution

The fourth proportional to 995.10, 1,373.67 and 941.10 is: 1,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.10 : 1,373.67 = 941.10 : x
  2. Step 2: Convert to fraction form
    995.10/1,373.67 = 941.10/x
  3. Step 3: Cross multiply
    995.10x = 1,373.67 × 941.10
  4. Step 4: Simplify right side
    995.10x = 1,292,760.84
  5. Step 5: Solve for x
    x = 1,292,760.84/995.10
  6. Step 6: Final answer
    x = 1,299.13

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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.