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Finding the Fourth Proportional to 26,978,108.64, 40,467,065.76 and 9,706,273.44

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Solution

The fourth proportional to 26,978,108.64, 40,467,065.76 and 9,706,273.44 is: 14,559,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,978,108.64 : 40,467,065.76 = 9,706,273.44 : x
  2. Step 2: Convert to fraction form
    26,978,108.64/40,467,065.76 = 9,706,273.44/x
  3. Step 3: Cross multiply
    26,978,108.64x = 40,467,065.76 × 9,706,273.44
  4. Step 4: Simplify right side
    26,978,108.64x = 392,784,405,581,021.38
  5. Step 5: Solve for x
    x = 392,784,405,581,021.38/26,978,108.64
  6. Step 6: Final answer
    x = 14,559,375.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.