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Finding the Fourth Proportional to 57,743.44, 79,663.44 and 33,861.28

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Solution

The fourth proportional to 57,743.44, 79,663.44 and 33,861.28 is: 46,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,743.44 : 79,663.44 = 33,861.28 : x
  2. Step 2: Convert to fraction form
    57,743.44/79,663.44 = 33,861.28/x
  3. Step 3: Cross multiply
    57,743.44x = 79,663.44 × 33,861.28
  4. Step 4: Simplify right side
    57,743.44x = 2,697,506,047.60
  5. Step 5: Solve for x
    x = 2,697,506,047.60/57,743.44
  6. Step 6: Final answer
    x = 46,715.37

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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.