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Finding the Fourth Proportional to 35,335.28, 48,805.44 and 25,760

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Solution

The fourth proportional to 35,335.28, 48,805.44 and 25,760 is: 35,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.28 : 48,805.44 = 25,760 : x
  2. Step 2: Convert to fraction form
    35,335.28/48,805.44 = 25,760/x
  3. Step 3: Cross multiply
    35,335.28x = 48,805.44 × 25,760
  4. Step 4: Simplify right side
    35,335.28x = 1,257,228,134.40
  5. Step 5: Solve for x
    x = 1,257,228,134.40/35,335.28
  6. Step 6: Final answer
    x = 35,579.97

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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.