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Finding the Fourth Proportional to 10,907,281.80, 16,360,922.70 and 8,253,073.80

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Solution

The fourth proportional to 10,907,281.80, 16,360,922.70 and 8,253,073.80 is: 12,379,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907,281.80 : 16,360,922.70 = 8,253,073.80 : x
  2. Step 2: Convert to fraction form
    10,907,281.80/16,360,922.70 = 8,253,073.80/x
  3. Step 3: Cross multiply
    10,907,281.80x = 16,360,922.70 × 8,253,073.80
  4. Step 4: Simplify right side
    10,907,281.80x = 135,027,902,479,195.25
  5. Step 5: Solve for x
    x = 135,027,902,479,195.25/10,907,281.80
  6. Step 6: Final answer
    x = 12,379,610.70

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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.