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Finding the Fourth Proportional to 57,771.33, 79,724.99 and 33,898.41

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Solution

The fourth proportional to 57,771.33, 79,724.99 and 33,898.41 is: 46,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,771.33 : 79,724.99 = 33,898.41 : x
  2. Step 2: Convert to fraction form
    57,771.33/79,724.99 = 33,898.41/x
  3. Step 3: Cross multiply
    57,771.33x = 79,724.99 × 33,898.41
  4. Step 4: Simplify right side
    57,771.33x = 2,702,550,228.77
  5. Step 5: Solve for x
    x = 2,702,550,228.77/57,771.33
  6. Step 6: Final answer
    x = 46,780.13

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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.