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Finding the Fourth Proportional to 30,796.92, 46,193.07 and 8,612.03

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Solution

The fourth proportional to 30,796.92, 46,193.07 and 8,612.03 is: 12,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,796.92 : 46,193.07 = 8,612.03 : x
  2. Step 2: Convert to fraction form
    30,796.92/46,193.07 = 8,612.03/x
  3. Step 3: Cross multiply
    30,796.92x = 46,193.07 × 8,612.03
  4. Step 4: Simplify right side
    30,796.92x = 397,816,252.41
  5. Step 5: Solve for x
    x = 397,816,252.41/30,796.92
  6. Step 6: Final answer
    x = 12,917.40

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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.