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Finding the Fourth Proportional to 8,634.41, 12,941.81 and 7,592.39

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Solution

The fourth proportional to 8,634.41, 12,941.81 and 7,592.39 is: 11,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.41 : 12,941.81 = 7,592.39 : x
  2. Step 2: Convert to fraction form
    8,634.41/12,941.81 = 7,592.39/x
  3. Step 3: Cross multiply
    8,634.41x = 12,941.81 × 7,592.39
  4. Step 4: Simplify right side
    8,634.41x = 98,259,268.83
  5. Step 5: Solve for x
    x = 98,259,268.83/8,634.41
  6. Step 6: Final answer
    x = 11,379.97

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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.