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Finding the Fourth Proportional to 34,960.43, 48,226.43 and 20,810.54

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Solution

The fourth proportional to 34,960.43, 48,226.43 and 20,810.54 is: 28,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,960.43 : 48,226.43 = 20,810.54 : x
  2. Step 2: Convert to fraction form
    34,960.43/48,226.43 = 20,810.54/x
  3. Step 3: Cross multiply
    34,960.43x = 48,226.43 × 20,810.54
  4. Step 4: Simplify right side
    34,960.43x = 1,003,617,705.39
  5. Step 5: Solve for x
    x = 1,003,617,705.39/34,960.43
  6. Step 6: Final answer
    x = 28,707.25

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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.