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Finding the Fourth Proportional to 70,027.62, 104,982.71 and 30,554.70

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Solution

The fourth proportional to 70,027.62, 104,982.71 and 30,554.70 is: 45,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,027.62 : 104,982.71 = 30,554.70 : x
  2. Step 2: Convert to fraction form
    70,027.62/104,982.71 = 30,554.70/x
  3. Step 3: Cross multiply
    70,027.62x = 104,982.71 × 30,554.70
  4. Step 4: Simplify right side
    70,027.62x = 3,207,715,056.46
  5. Step 5: Solve for x
    x = 3,207,715,056.46/70,027.62
  6. Step 6: Final answer
    x = 45,806.43

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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.