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Finding the Fourth Proportional to 33,994.91, 50,992.35 and 12,930.08

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Solution

The fourth proportional to 33,994.91, 50,992.35 and 12,930.08 is: 19,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,994.91 : 50,992.35 = 12,930.08 : x
  2. Step 2: Convert to fraction form
    33,994.91/50,992.35 = 12,930.08/x
  3. Step 3: Cross multiply
    33,994.91x = 50,992.35 × 12,930.08
  4. Step 4: Simplify right side
    33,994.91x = 659,334,909.93
  5. Step 5: Solve for x
    x = 659,334,909.93/33,994.91
  6. Step 6: Final answer
    x = 19,395.11

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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.