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Finding the Fourth Proportional to 30,250.52, 45,441.36 and 25,579.89

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Solution

The fourth proportional to 30,250.52, 45,441.36 and 25,579.89 is: 38,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.52 : 45,441.36 = 25,579.89 : x
  2. Step 2: Convert to fraction form
    30,250.52/45,441.36 = 25,579.89/x
  3. Step 3: Cross multiply
    30,250.52x = 45,441.36 × 25,579.89
  4. Step 4: Simplify right side
    30,250.52x = 1,162,384,990.25
  5. Step 5: Solve for x
    x = 1,162,384,990.25/30,250.52
  6. Step 6: Final answer
    x = 38,425.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.