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Finding the Fourth Proportional to 19,004.57, 26,219.88 and 12,298.67

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Solution

The fourth proportional to 19,004.57, 26,219.88 and 12,298.67 is: 16,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.57 : 26,219.88 = 12,298.67 : x
  2. Step 2: Convert to fraction form
    19,004.57/26,219.88 = 12,298.67/x
  3. Step 3: Cross multiply
    19,004.57x = 26,219.88 × 12,298.67
  4. Step 4: Simplify right side
    19,004.57x = 322,469,520.46
  5. Step 5: Solve for x
    x = 322,469,520.46/19,004.57
  6. Step 6: Final answer
    x = 16,968.00

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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.