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Finding the Fourth Proportional to 4,800.38, 7,203.83 and 2,945.83

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Solution

The fourth proportional to 4,800.38, 7,203.83 and 2,945.83 is: 4,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.38 : 7,203.83 = 2,945.83 : x
  2. Step 2: Convert to fraction form
    4,800.38/7,203.83 = 2,945.83/x
  3. Step 3: Cross multiply
    4,800.38x = 7,203.83 × 2,945.83
  4. Step 4: Simplify right side
    4,800.38x = 21,221,263.93
  5. Step 5: Solve for x
    x = 21,221,263.93/4,800.38
  6. Step 6: Final answer
    x = 4,420.75

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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.