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Finding the Fourth Proportional to 57,825.72, 79,825.44 and 33,953.88

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Solution

The fourth proportional to 57,825.72, 79,825.44 and 33,953.88 is: 46,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,825.72 : 79,825.44 = 33,953.88 : x
  2. Step 2: Convert to fraction form
    57,825.72/79,825.44 = 33,953.88/x
  3. Step 3: Cross multiply
    57,825.72x = 79,825.44 × 33,953.88
  4. Step 4: Simplify right side
    57,825.72x = 2,710,383,410.71
  5. Step 5: Solve for x
    x = 2,710,383,410.71/57,825.72
  6. Step 6: Final answer
    x = 46,871.59

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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.