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Finding the Fourth Proportional to 57,517.61, 79,362.09 and 36,284.57

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Solution

The fourth proportional to 57,517.61, 79,362.09 and 36,284.57 is: 50,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,517.61 : 79,362.09 = 36,284.57 : x
  2. Step 2: Convert to fraction form
    57,517.61/79,362.09 = 36,284.57/x
  3. Step 3: Cross multiply
    57,517.61x = 79,362.09 × 36,284.57
  4. Step 4: Simplify right side
    57,517.61x = 2,879,618,913.14
  5. Step 5: Solve for x
    x = 2,879,618,913.14/57,517.61
  6. Step 6: Final answer
    x = 50,065.00

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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.