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Finding the Fourth Proportional to 43,924.74, 65,893.53 and 12,755.94

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Solution

The fourth proportional to 43,924.74, 65,893.53 and 12,755.94 is: 19,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,924.74 : 65,893.53 = 12,755.94 : x
  2. Step 2: Convert to fraction form
    43,924.74/65,893.53 = 12,755.94/x
  3. Step 3: Cross multiply
    43,924.74x = 65,893.53 × 12,755.94
  4. Step 4: Simplify right side
    43,924.74x = 840,533,915.07
  5. Step 5: Solve for x
    x = 840,533,915.07/43,924.74
  6. Step 6: Final answer
    x = 19,135.77

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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.