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Finding the Fourth Proportional to 19,185.24, 26,469.54 and 10,800.12

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Solution

The fourth proportional to 19,185.24, 26,469.54 and 10,800.12 is: 14,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.24 : 26,469.54 = 10,800.12 : x
  2. Step 2: Convert to fraction form
    19,185.24/26,469.54 = 10,800.12/x
  3. Step 3: Cross multiply
    19,185.24x = 26,469.54 × 10,800.12
  4. Step 4: Simplify right side
    19,185.24x = 285,874,208.34
  5. Step 5: Solve for x
    x = 285,874,208.34/19,185.24
  6. Step 6: Final answer
    x = 14,900.74

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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.