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Finding the Fourth Proportional to 8,531.26, 12,773.26 and 4,362.28

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Solution

The fourth proportional to 8,531.26, 12,773.26 and 4,362.28 is: 6,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.26 : 12,773.26 = 4,362.28 : x
  2. Step 2: Convert to fraction form
    8,531.26/12,773.26 = 4,362.28/x
  3. Step 3: Cross multiply
    8,531.26x = 12,773.26 × 4,362.28
  4. Step 4: Simplify right side
    8,531.26x = 55,720,536.63
  5. Step 5: Solve for x
    x = 55,720,536.63/8,531.26
  6. Step 6: Final answer
    x = 6,531.34

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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.