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Finding the Fourth Proportional to 8,744.63, 12,072.14 and 6,800.01

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Solution

The fourth proportional to 8,744.63, 12,072.14 and 6,800.01 is: 9,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.63 : 12,072.14 = 6,800.01 : x
  2. Step 2: Convert to fraction form
    8,744.63/12,072.14 = 6,800.01/x
  3. Step 3: Cross multiply
    8,744.63x = 12,072.14 × 6,800.01
  4. Step 4: Simplify right side
    8,744.63x = 82,090,638.72
  5. Step 5: Solve for x
    x = 82,090,638.72/8,744.63
  6. Step 6: Final answer
    x = 9,387.55

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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.