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Finding the Fourth Proportional to 12,744.54, 19,048.50 and 11,492.28

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Solution

The fourth proportional to 12,744.54, 19,048.50 and 11,492.28 is: 17,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.54 : 19,048.50 = 11,492.28 : x
  2. Step 2: Convert to fraction form
    12,744.54/19,048.50 = 11,492.28/x
  3. Step 3: Cross multiply
    12,744.54x = 19,048.50 × 11,492.28
  4. Step 4: Simplify right side
    12,744.54x = 218,910,695.58
  5. Step 5: Solve for x
    x = 218,910,695.58/12,744.54
  6. Step 6: Final answer
    x = 17,176.82

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.