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Finding the Fourth Proportional to 29,691.18, 44,529.75 and 8,625.60

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Solution

The fourth proportional to 29,691.18, 44,529.75 and 8,625.60 is: 12,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,691.18 : 44,529.75 = 8,625.60 : x
  2. Step 2: Convert to fraction form
    29,691.18/44,529.75 = 8,625.60/x
  3. Step 3: Cross multiply
    29,691.18x = 44,529.75 × 8,625.60
  4. Step 4: Simplify right side
    29,691.18x = 384,095,811.60
  5. Step 5: Solve for x
    x = 384,095,811.60/29,691.18
  6. Step 6: Final answer
    x = 12,936.36

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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.