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Finding the Fourth Proportional to 45,555.78, 62,867.45 and 25,414.50

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Solution

The fourth proportional to 45,555.78, 62,867.45 and 25,414.50 is: 35,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,555.78 : 62,867.45 = 25,414.50 : x
  2. Step 2: Convert to fraction form
    45,555.78/62,867.45 = 25,414.50/x
  3. Step 3: Cross multiply
    45,555.78x = 62,867.45 × 25,414.50
  4. Step 4: Simplify right side
    45,555.78x = 1,597,744,808.03
  5. Step 5: Solve for x
    x = 1,597,744,808.03/45,555.78
  6. Step 6: Final answer
    x = 35,072.27

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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.