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Finding the Fourth Proportional to 37,404.60, 51,620.04 and 21,494.04

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Solution

The fourth proportional to 37,404.60, 51,620.04 and 21,494.04 is: 29,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,404.60 : 51,620.04 = 21,494.04 : x
  2. Step 2: Convert to fraction form
    37,404.60/51,620.04 = 21,494.04/x
  3. Step 3: Cross multiply
    37,404.60x = 51,620.04 × 21,494.04
  4. Step 4: Simplify right side
    37,404.60x = 1,109,523,204.56
  5. Step 5: Solve for x
    x = 1,109,523,204.56/37,404.60
  6. Step 6: Final answer
    x = 29,662.75

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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.