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Finding the Fourth Proportional to 4,723.98, 7,085.96 and 4,620.19

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Solution

The fourth proportional to 4,723.98, 7,085.96 and 4,620.19 is: 6,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.98 : 7,085.96 = 4,620.19 : x
  2. Step 2: Convert to fraction form
    4,723.98/7,085.96 = 4,620.19/x
  3. Step 3: Cross multiply
    4,723.98x = 7,085.96 × 4,620.19
  4. Step 4: Simplify right side
    4,723.98x = 32,738,481.53
  5. Step 5: Solve for x
    x = 32,738,481.53/4,723.98
  6. Step 6: Final answer
    x = 6,930.28

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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.