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Finding the Fourth Proportional to 8,550.81, 12,827.43 and 2,707.88

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Solution

The fourth proportional to 8,550.81, 12,827.43 and 2,707.88 is: 4,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.81 : 12,827.43 = 2,707.88 : x
  2. Step 2: Convert to fraction form
    8,550.81/12,827.43 = 2,707.88/x
  3. Step 3: Cross multiply
    8,550.81x = 12,827.43 × 2,707.88
  4. Step 4: Simplify right side
    8,550.81x = 34,735,077.01
  5. Step 5: Solve for x
    x = 34,735,077.01/8,550.81
  6. Step 6: Final answer
    x = 4,062.20

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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.