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Finding the Fourth Proportional to 57,356.75, 79,117.99 and 36,099.11

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Solution

The fourth proportional to 57,356.75, 79,117.99 and 36,099.11 is: 49,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,356.75 : 79,117.99 = 36,099.11 : x
  2. Step 2: Convert to fraction form
    57,356.75/79,117.99 = 36,099.11/x
  3. Step 3: Cross multiply
    57,356.75x = 79,117.99 × 36,099.11
  4. Step 4: Simplify right side
    57,356.75x = 2,856,089,023.99
  5. Step 5: Solve for x
    x = 2,856,089,023.99/57,356.75
  6. Step 6: Final answer
    x = 49,795.17

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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.