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Finding the Fourth Proportional to 17,108.69, 25,669.40 and 10,458.81

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Solution

The fourth proportional to 17,108.69, 25,669.40 and 10,458.81 is: 15,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.69 : 25,669.40 = 10,458.81 : x
  2. Step 2: Convert to fraction form
    17,108.69/25,669.40 = 10,458.81/x
  3. Step 3: Cross multiply
    17,108.69x = 25,669.40 × 10,458.81
  4. Step 4: Simplify right side
    17,108.69x = 268,471,325.12
  5. Step 5: Solve for x
    x = 268,471,325.12/17,108.69
  6. Step 6: Final answer
    x = 15,692.11

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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.