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Finding the Fourth Proportional to 8,635.41, 12,943.31 and 7,593.39

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Solution

The fourth proportional to 8,635.41, 12,943.31 and 7,593.39 is: 11,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.41 : 12,943.31 = 7,593.39 : x
  2. Step 2: Convert to fraction form
    8,635.41/12,943.31 = 7,593.39/x
  3. Step 3: Cross multiply
    8,635.41x = 12,943.31 × 7,593.39
  4. Step 4: Simplify right side
    8,635.41x = 98,283,600.72
  5. Step 5: Solve for x
    x = 98,283,600.72/8,635.41
  6. Step 6: Final answer
    x = 11,381.46

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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.