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Finding the Fourth Proportional to 4,800.27, 7,203.67 and 2,945.73

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Solution

The fourth proportional to 4,800.27, 7,203.67 and 2,945.73 is: 4,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.27 : 7,203.67 = 2,945.73 : x
  2. Step 2: Convert to fraction form
    4,800.27/7,203.67 = 2,945.73/x
  3. Step 3: Cross multiply
    4,800.27x = 7,203.67 × 2,945.73
  4. Step 4: Simplify right side
    4,800.27x = 21,220,038.12
  5. Step 5: Solve for x
    x = 21,220,038.12/4,800.27
  6. Step 6: Final answer
    x = 4,420.59

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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.