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Finding the Fourth Proportional to 45,604.78, 62,936.12 and 25,461.90

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Solution

The fourth proportional to 45,604.78, 62,936.12 and 25,461.90 is: 35,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,604.78 : 62,936.12 = 25,461.90 : x
  2. Step 2: Convert to fraction form
    45,604.78/62,936.12 = 25,461.90/x
  3. Step 3: Cross multiply
    45,604.78x = 62,936.12 × 25,461.90
  4. Step 4: Simplify right side
    45,604.78x = 1,602,473,257.48
  5. Step 5: Solve for x
    x = 1,602,473,257.48/45,604.78
  6. Step 6: Final answer
    x = 35,138.28

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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.