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Finding the Fourth Proportional to 5,305.39, 7,923.39 and 4,516.99

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Solution

The fourth proportional to 5,305.39, 7,923.39 and 4,516.99 is: 6,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.39 : 7,923.39 = 4,516.99 : x
  2. Step 2: Convert to fraction form
    5,305.39/7,923.39 = 4,516.99/x
  3. Step 3: Cross multiply
    5,305.39x = 7,923.39 × 4,516.99
  4. Step 4: Simplify right side
    5,305.39x = 35,789,873.40
  5. Step 5: Solve for x
    x = 35,789,873.40/5,305.39
  6. Step 6: Final answer
    x = 6,745.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.