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Finding the Fourth Proportional to 45,121, 62,269.92 and 25,249

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Solution

The fourth proportional to 45,121, 62,269.92 and 25,249 is: 34,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,121 : 62,269.92 = 25,249 : x
  2. Step 2: Convert to fraction form
    45,121/62,269.92 = 25,249/x
  3. Step 3: Cross multiply
    45,121x = 62,269.92 × 25,249
  4. Step 4: Simplify right side
    45,121x = 1,572,253,210.08
  5. Step 5: Solve for x
    x = 1,572,253,210.08/45,121
  6. Step 6: Final answer
    x = 34,845.27

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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.