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Finding the Fourth Proportional to 62,586.60, 93,906.90 and 36,313.80

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Solution

The fourth proportional to 62,586.60, 93,906.90 and 36,313.80 is: 54,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,586.60 : 93,906.90 = 36,313.80 : x
  2. Step 2: Convert to fraction form
    62,586.60/93,906.90 = 36,313.80/x
  3. Step 3: Cross multiply
    62,586.60x = 93,906.90 × 36,313.80
  4. Step 4: Simplify right side
    62,586.60x = 3,410,116,385.22
  5. Step 5: Solve for x
    x = 3,410,116,385.22/62,586.60
  6. Step 6: Final answer
    x = 54,486.37

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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.