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Finding the Fourth Proportional to 17,115.70, 25,673.55 and 8,346.10

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Solution

The fourth proportional to 17,115.70, 25,673.55 and 8,346.10 is: 12,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.70 : 25,673.55 = 8,346.10 : x
  2. Step 2: Convert to fraction form
    17,115.70/25,673.55 = 8,346.10/x
  3. Step 3: Cross multiply
    17,115.70x = 25,673.55 × 8,346.10
  4. Step 4: Simplify right side
    17,115.70x = 214,274,015.66
  5. Step 5: Solve for x
    x = 214,274,015.66/17,115.70
  6. Step 6: Final answer
    x = 12,519.15

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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.