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Finding the Fourth Proportional to 3,194.83, 4,791 and 973.18

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Solution

The fourth proportional to 3,194.83, 4,791 and 973.18 is: 1,459.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.83 : 4,791 = 973.18 : x
  2. Step 2: Convert to fraction form
    3,194.83/4,791 = 973.18/x
  3. Step 3: Cross multiply
    3,194.83x = 4,791 × 973.18
  4. Step 4: Simplify right side
    3,194.83x = 4,662,505.38
  5. Step 5: Solve for x
    x = 4,662,505.38/3,194.83
  6. Step 6: Final answer
    x = 1,459.39

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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.