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Finding the Fourth Proportional to 16,674.26, 23,010.51 and 9,120.63

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Solution

The fourth proportional to 16,674.26, 23,010.51 and 9,120.63 is: 12,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.26 : 23,010.51 = 9,120.63 : x
  2. Step 2: Convert to fraction form
    16,674.26/23,010.51 = 9,120.63/x
  3. Step 3: Cross multiply
    16,674.26x = 23,010.51 × 9,120.63
  4. Step 4: Simplify right side
    16,674.26x = 209,870,347.82
  5. Step 5: Solve for x
    x = 209,870,347.82/16,674.26
  6. Step 6: Final answer
    x = 12,586.49

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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.