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Finding the Fourth Proportional to 45,019, 62,126.22 and 25,147

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Solution

The fourth proportional to 45,019, 62,126.22 and 25,147 is: 34,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,019 : 62,126.22 = 25,147 : x
  2. Step 2: Convert to fraction form
    45,019/62,126.22 = 25,147/x
  3. Step 3: Cross multiply
    45,019x = 62,126.22 × 25,147
  4. Step 4: Simplify right side
    45,019x = 1,562,288,054.34
  5. Step 5: Solve for x
    x = 1,562,288,054.34/45,019
  6. Step 6: Final answer
    x = 34,702.86

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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.