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Finding the Fourth Proportional to 30,745.41, 46,113.51 and 8,556.51

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Solution

The fourth proportional to 30,745.41, 46,113.51 and 8,556.51 is: 12,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,745.41 : 46,113.51 = 8,556.51 : x
  2. Step 2: Convert to fraction form
    30,745.41/46,113.51 = 8,556.51/x
  3. Step 3: Cross multiply
    30,745.41x = 46,113.51 × 8,556.51
  4. Step 4: Simplify right side
    30,745.41x = 394,570,709.45
  5. Step 5: Solve for x
    x = 394,570,709.45/30,745.41
  6. Step 6: Final answer
    x = 12,833.48

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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.