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Finding the Fourth Proportional to 26,491,647.60, 39,705,978.60 and 23,783,266.80

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Solution

The fourth proportional to 26,491,647.60, 39,705,978.60 and 23,783,266.80 is: 35,646,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491,647.60 : 39,705,978.60 = 23,783,266.80 : x
  2. Step 2: Convert to fraction form
    26,491,647.60/39,705,978.60 = 23,783,266.80/x
  3. Step 3: Cross multiply
    26,491,647.60x = 39,705,978.60 × 23,783,266.80
  4. Step 4: Simplify right side
    26,491,647.60x = 944,337,882,598,890.50
  5. Step 5: Solve for x
    x = 944,337,882,598,890.50/26,491,647.60
  6. Step 6: Final answer
    x = 35,646,627.07

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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.