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Finding the Fourth Proportional to 29,620.50, 40,879.02 and 17,047.68

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Solution

The fourth proportional to 29,620.50, 40,879.02 and 17,047.68 is: 23,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,620.50 : 40,879.02 = 17,047.68 : x
  2. Step 2: Convert to fraction form
    29,620.50/40,879.02 = 17,047.68/x
  3. Step 3: Cross multiply
    29,620.50x = 40,879.02 × 17,047.68
  4. Step 4: Simplify right side
    29,620.50x = 696,892,451.67
  5. Step 5: Solve for x
    x = 696,892,451.67/29,620.50
  6. Step 6: Final answer
    x = 23,527.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.