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Finding the Fourth Proportional to 995.91, 1,373.60 and 884.00

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Solution

The fourth proportional to 995.91, 1,373.60 and 884.00 is: 1,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.91 : 1,373.60 = 884.00 : x
  2. Step 2: Convert to fraction form
    995.91/1,373.60 = 884.00/x
  3. Step 3: Cross multiply
    995.91x = 1,373.60 × 884.00
  4. Step 4: Simplify right side
    995.91x = 1,214,251.11
  5. Step 5: Solve for x
    x = 1,214,251.11/995.91
  6. Step 6: Final answer
    x = 1,219.24

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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.