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Finding the Fourth Proportional to 35,201.80, 48,579.49 and 21,404.10

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Solution

The fourth proportional to 35,201.80, 48,579.49 and 21,404.10 is: 29,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,201.80 : 48,579.49 = 21,404.10 : x
  2. Step 2: Convert to fraction form
    35,201.80/48,579.49 = 21,404.10/x
  3. Step 3: Cross multiply
    35,201.80x = 48,579.49 × 21,404.10
  4. Step 4: Simplify right side
    35,201.80x = 1,039,800,261.91
  5. Step 5: Solve for x
    x = 1,039,800,261.91/35,201.80
  6. Step 6: Final answer
    x = 29,538.27

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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.