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Finding the Fourth Proportional to 57,760.54, 79,710.21 and 33,887.62

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Solution

The fourth proportional to 57,760.54, 79,710.21 and 33,887.62 is: 46,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,760.54 : 79,710.21 = 33,887.62 : x
  2. Step 2: Convert to fraction form
    57,760.54/79,710.21 = 33,887.62/x
  3. Step 3: Cross multiply
    57,760.54x = 79,710.21 × 33,887.62
  4. Step 4: Simplify right side
    57,760.54x = 2,701,189,306.60
  5. Step 5: Solve for x
    x = 2,701,189,306.60/57,760.54
  6. Step 6: Final answer
    x = 46,765.31

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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.