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Finding the Fourth Proportional to 51,788.60, 71,392.20 and 36,634.60

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Solution

The fourth proportional to 51,788.60, 71,392.20 and 36,634.60 is: 50,501.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,788.60 : 71,392.20 = 36,634.60 : x
  2. Step 2: Convert to fraction form
    51,788.60/71,392.20 = 36,634.60/x
  3. Step 3: Cross multiply
    51,788.60x = 71,392.20 × 36,634.60
  4. Step 4: Simplify right side
    51,788.60x = 2,615,424,690.12
  5. Step 5: Solve for x
    x = 2,615,424,690.12/51,788.60
  6. Step 6: Final answer
    x = 50,501.94

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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.