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Finding the Fourth Proportional to 20,063.84, 30,093.84 and 6,914.40

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Solution

The fourth proportional to 20,063.84, 30,093.84 and 6,914.40 is: 10,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.84 : 30,093.84 = 6,914.40 : x
  2. Step 2: Convert to fraction form
    20,063.84/30,093.84 = 6,914.40/x
  3. Step 3: Cross multiply
    20,063.84x = 30,093.84 × 6,914.40
  4. Step 4: Simplify right side
    20,063.84x = 208,080,847.30
  5. Step 5: Solve for x
    x = 208,080,847.30/20,063.84
  6. Step 6: Final answer
    x = 10,370.94

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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.