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Finding the Fourth Proportional to 17,628.94, 26,408.16 and 10,605.07

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Solution

The fourth proportional to 17,628.94, 26,408.16 and 10,605.07 is: 15,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.94 : 26,408.16 = 10,605.07 : x
  2. Step 2: Convert to fraction form
    17,628.94/26,408.16 = 10,605.07/x
  3. Step 3: Cross multiply
    17,628.94x = 26,408.16 × 10,605.07
  4. Step 4: Simplify right side
    17,628.94x = 280,060,385.37
  5. Step 5: Solve for x
    x = 280,060,385.37/17,628.94
  6. Step 6: Final answer
    x = 15,886.40

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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.