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Finding the Fourth Proportional to 31,067.92, 46,609.19 and 8,880.71

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Solution

The fourth proportional to 31,067.92, 46,609.19 and 8,880.71 is: 13,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,067.92 : 46,609.19 = 8,880.71 : x
  2. Step 2: Convert to fraction form
    31,067.92/46,609.19 = 8,880.71/x
  3. Step 3: Cross multiply
    31,067.92x = 46,609.19 × 8,880.71
  4. Step 4: Simplify right side
    31,067.92x = 413,922,455.58
  5. Step 5: Solve for x
    x = 413,922,455.58/31,067.92
  6. Step 6: Final answer
    x = 13,323.15

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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.