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Finding the Fourth Proportional to 6,804.60, 10,191.21 and 4,918.54

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Solution

The fourth proportional to 6,804.60, 10,191.21 and 4,918.54 is: 7,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.60 : 10,191.21 = 4,918.54 : x
  2. Step 2: Convert to fraction form
    6,804.60/10,191.21 = 4,918.54/x
  3. Step 3: Cross multiply
    6,804.60x = 10,191.21 × 4,918.54
  4. Step 4: Simplify right side
    6,804.60x = 50,125,874.03
  5. Step 5: Solve for x
    x = 50,125,874.03/6,804.60
  6. Step 6: Final answer
    x = 7,366.47

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1.5x scale

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.