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Finding the Fourth Proportional to 35,467.38, 48,940.38 and 20,360.70

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Solution

The fourth proportional to 35,467.38, 48,940.38 and 20,360.70 is: 28,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,467.38 : 48,940.38 = 20,360.70 : x
  2. Step 2: Convert to fraction form
    35,467.38/48,940.38 = 20,360.70/x
  3. Step 3: Cross multiply
    35,467.38x = 48,940.38 × 20,360.70
  4. Step 4: Simplify right side
    35,467.38x = 996,460,395.07
  5. Step 5: Solve for x
    x = 996,460,395.07/35,467.38
  6. Step 6: Final answer
    x = 28,095.12

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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.