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Finding the Fourth Proportional to 27,108,375.03, 40,664,858.90 and 8,666,978.67

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Solution

The fourth proportional to 27,108,375.03, 40,664,858.90 and 8,666,978.67 is: 13,001,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108,375.03 : 40,664,858.90 = 8,666,978.67 : x
  2. Step 2: Convert to fraction form
    27,108,375.03/40,664,858.90 = 8,666,978.67/x
  3. Step 3: Cross multiply
    27,108,375.03x = 40,664,858.90 × 8,666,978.67
  4. Step 4: Simplify right side
    27,108,375.03x = 352,441,464,661,524.81
  5. Step 5: Solve for x
    x = 352,441,464,661,524.81/27,108,375.03
  6. Step 6: Final answer
    x = 13,001,202.18

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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.