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Finding the Fourth Proportional to 887.67, 1,325.46 and 794.52

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Solution

The fourth proportional to 887.67, 1,325.46 and 794.52 is: 1,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.67 : 1,325.46 = 794.52 : x
  2. Step 2: Convert to fraction form
    887.67/1,325.46 = 794.52/x
  3. Step 3: Cross multiply
    887.67x = 1,325.46 × 794.52
  4. Step 4: Simplify right side
    887.67x = 1,053,104.48
  5. Step 5: Solve for x
    x = 1,053,104.48/887.67
  6. Step 6: Final answer
    x = 1,186.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.