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Finding the Fourth Proportional to 13,752,749.04, 18,978,906.12 and 8,599,098.12

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Solution

The fourth proportional to 13,752,749.04, 18,978,906.12 and 8,599,098.12 is: 11,866,825.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752,749.04 : 18,978,906.12 = 8,599,098.12 : x
  2. Step 2: Convert to fraction form
    13,752,749.04/18,978,906.12 = 8,599,098.12/x
  3. Step 3: Cross multiply
    13,752,749.04x = 18,978,906.12 × 8,599,098.12
  4. Step 4: Simplify right side
    13,752,749.04x = 163,201,475,936,148.50
  5. Step 5: Solve for x
    x = 163,201,475,936,148.50/13,752,749.04
  6. Step 6: Final answer
    x = 11,866,825.71

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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.