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Finding the Fourth Proportional to 8,648.36, 12,973.32 and 3,026.96

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Solution

The fourth proportional to 8,648.36, 12,973.32 and 3,026.96 is: 4,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.36 : 12,973.32 = 3,026.96 : x
  2. Step 2: Convert to fraction form
    8,648.36/12,973.32 = 3,026.96/x
  3. Step 3: Cross multiply
    8,648.36x = 12,973.32 × 3,026.96
  4. Step 4: Simplify right side
    8,648.36x = 39,269,720.71
  5. Step 5: Solve for x
    x = 39,269,720.71/8,648.36
  6. Step 6: Final answer
    x = 4,540.71

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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.