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Finding the Fourth Proportional to 8,193,770.60, 11,450,021.20 and 8,193,770.60

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Solution

The fourth proportional to 8,193,770.60, 11,450,021.20 and 8,193,770.60 is: 11,450,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193,770.60 : 11,450,021.20 = 8,193,770.60 : x
  2. Step 2: Convert to fraction form
    8,193,770.60/11,450,021.20 = 8,193,770.60/x
  3. Step 3: Cross multiply
    8,193,770.60x = 11,450,021.20 × 8,193,770.60
  4. Step 4: Simplify right side
    8,193,770.60x = 93,818,847,077,936.70
  5. Step 5: Solve for x
    x = 93,818,847,077,936.70/8,193,770.60
  6. Step 6: Final answer
    x = 11,450,021.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.