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Finding the Fourth Proportional to 74,591.90, 111,893.99 and 32,473.38

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Solution

The fourth proportional to 74,591.90, 111,893.99 and 32,473.38 is: 48,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,591.90 : 111,893.99 = 32,473.38 : x
  2. Step 2: Convert to fraction form
    74,591.90/111,893.99 = 32,473.38/x
  3. Step 3: Cross multiply
    74,591.90x = 111,893.99 × 32,473.38
  4. Step 4: Simplify right side
    74,591.90x = 3,633,575,894.62
  5. Step 5: Solve for x
    x = 3,633,575,894.62/74,591.90
  6. Step 6: Final answer
    x = 48,712.74

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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.