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Finding the Fourth Proportional to 8,551.22, 12,829.11 and 2,707.94

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Solution

The fourth proportional to 8,551.22, 12,829.11 and 2,707.94 is: 4,062.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.22 : 12,829.11 = 2,707.94 : x
  2. Step 2: Convert to fraction form
    8,551.22/12,829.11 = 2,707.94/x
  3. Step 3: Cross multiply
    8,551.22x = 12,829.11 × 2,707.94
  4. Step 4: Simplify right side
    8,551.22x = 34,740,460.13
  5. Step 5: Solve for x
    x = 34,740,460.13/8,551.22
  6. Step 6: Final answer
    x = 4,062.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.