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Finding the Fourth Proportional to 33,994.62, 50,980.32 and 12,929.63

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Solution

The fourth proportional to 33,994.62, 50,980.32 and 12,929.63 is: 19,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,994.62 : 50,980.32 = 12,929.63 : x
  2. Step 2: Convert to fraction form
    33,994.62/50,980.32 = 12,929.63/x
  3. Step 3: Cross multiply
    33,994.62x = 50,980.32 × 12,929.63
  4. Step 4: Simplify right side
    33,994.62x = 659,156,419.98
  5. Step 5: Solve for x
    x = 659,156,419.98/33,994.62
  6. Step 6: Final answer
    x = 19,390.02

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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.