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Finding the Fourth Proportional to 4,768.73, 7,152.96 and 1,305.98

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Solution

The fourth proportional to 4,768.73, 7,152.96 and 1,305.98 is: 1,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.73 : 7,152.96 = 1,305.98 : x
  2. Step 2: Convert to fraction form
    4,768.73/7,152.96 = 1,305.98/x
  3. Step 3: Cross multiply
    4,768.73x = 7,152.96 × 1,305.98
  4. Step 4: Simplify right side
    4,768.73x = 9,341,622.70
  5. Step 5: Solve for x
    x = 9,341,622.70/4,768.73
  6. Step 6: Final answer
    x = 1,958.93

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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.