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Finding the Fourth Proportional to 43,978.86, 60,690.65 and 23,836.23

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Solution

The fourth proportional to 43,978.86, 60,690.65 and 23,836.23 is: 32,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,978.86 : 60,690.65 = 23,836.23 : x
  2. Step 2: Convert to fraction form
    43,978.86/60,690.65 = 23,836.23/x
  3. Step 3: Cross multiply
    43,978.86x = 60,690.65 × 23,836.23
  4. Step 4: Simplify right side
    43,978.86x = 1,446,636,173.07
  5. Step 5: Solve for x
    x = 1,446,636,173.07/43,978.86
  6. Step 6: Final answer
    x = 32,893.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.