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Finding the Fourth Proportional to 30,706.26, 46,058.85 and 8,517.12

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Solution

The fourth proportional to 30,706.26, 46,058.85 and 8,517.12 is: 12,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,706.26 : 46,058.85 = 8,517.12 : x
  2. Step 2: Convert to fraction form
    30,706.26/46,058.85 = 8,517.12/x
  3. Step 3: Cross multiply
    30,706.26x = 46,058.85 × 8,517.12
  4. Step 4: Simplify right side
    30,706.26x = 392,288,752.51
  5. Step 5: Solve for x
    x = 392,288,752.51/30,706.26
  6. Step 6: Final answer
    x = 12,775.53

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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.