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Finding the Fourth Proportional to 941.59, 1,298.12 and 793.97

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Solution

The fourth proportional to 941.59, 1,298.12 and 793.97 is: 1,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.59 : 1,298.12 = 793.97 : x
  2. Step 2: Convert to fraction form
    941.59/1,298.12 = 793.97/x
  3. Step 3: Cross multiply
    941.59x = 1,298.12 × 793.97
  4. Step 4: Simplify right side
    941.59x = 1,030,657.88
  5. Step 5: Solve for x
    x = 1,030,657.88/941.59
  6. Step 6: Final answer
    x = 1,094.60

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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.