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Finding the Fourth Proportional to 46,521.94, 69,782.94 and 20,212.33

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Solution

The fourth proportional to 46,521.94, 69,782.94 and 20,212.33 is: 30,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,521.94 : 69,782.94 = 20,212.33 : x
  2. Step 2: Convert to fraction form
    46,521.94/69,782.94 = 20,212.33/x
  3. Step 3: Cross multiply
    46,521.94x = 69,782.94 × 20,212.33
  4. Step 4: Simplify right side
    46,521.94x = 1,410,475,811.65
  5. Step 5: Solve for x
    x = 1,410,475,811.65/46,521.94
  6. Step 6: Final answer
    x = 30,318.51

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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.