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Finding the Fourth Proportional to 57,765.56, 79,699.54 and 33,893.24

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Solution

The fourth proportional to 57,765.56, 79,699.54 and 33,893.24 is: 46,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,765.56 : 79,699.54 = 33,893.24 : x
  2. Step 2: Convert to fraction form
    57,765.56/79,699.54 = 33,893.24/x
  3. Step 3: Cross multiply
    57,765.56x = 79,699.54 × 33,893.24
  4. Step 4: Simplify right side
    57,765.56x = 2,701,275,637.11
  5. Step 5: Solve for x
    x = 2,701,275,637.11/57,765.56
  6. Step 6: Final answer
    x = 46,762.74

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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.