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Finding the Fourth Proportional to 11,227.06, 15,492.54 and 6,751

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Solution

The fourth proportional to 11,227.06, 15,492.54 and 6,751 is: 9,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.06 : 15,492.54 = 6,751 : x
  2. Step 2: Convert to fraction form
    11,227.06/15,492.54 = 6,751/x
  3. Step 3: Cross multiply
    11,227.06x = 15,492.54 × 6,751
  4. Step 4: Simplify right side
    11,227.06x = 104,590,137.54
  5. Step 5: Solve for x
    x = 104,590,137.54/11,227.06
  6. Step 6: Final answer
    x = 9,315.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.