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Finding the Fourth Proportional to 8,673,689.75, 11,969,954.30 and 4,805,849.03

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Solution

The fourth proportional to 8,673,689.75, 11,969,954.30 and 4,805,849.03 is: 6,632,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673,689.75 : 11,969,954.30 = 4,805,849.03 : x
  2. Step 2: Convert to fraction form
    8,673,689.75/11,969,954.30 = 4,805,849.03/x
  3. Step 3: Cross multiply
    8,673,689.75x = 11,969,954.30 × 4,805,849.03
  4. Step 4: Simplify right side
    8,673,689.75x = 57,525,793,237,770.09
  5. Step 5: Solve for x
    x = 57,525,793,237,770.09/8,673,689.75
  6. Step 6: Final answer
    x = 6,632,217.07

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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.