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Finding the Fourth Proportional to 57,749.33, 79,695.38 and 33,893.21

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Solution

The fourth proportional to 57,749.33, 79,695.38 and 33,893.21 is: 46,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.33 : 79,695.38 = 33,893.21 : x
  2. Step 2: Convert to fraction form
    57,749.33/79,695.38 = 33,893.21/x
  3. Step 3: Cross multiply
    57,749.33x = 79,695.38 × 33,893.21
  4. Step 4: Simplify right side
    57,749.33x = 2,701,132,250.37
  5. Step 5: Solve for x
    x = 2,701,132,250.37/57,749.33
  6. Step 6: Final answer
    x = 46,773.40

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1.5x scale

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.