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Finding the Fourth Proportional to 36,949.10, 50,989.79 and 21,033.54

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Solution

The fourth proportional to 36,949.10, 50,989.79 and 21,033.54 is: 29,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,949.10 : 50,989.79 = 21,033.54 : x
  2. Step 2: Convert to fraction form
    36,949.10/50,989.79 = 21,033.54/x
  3. Step 3: Cross multiply
    36,949.10x = 50,989.79 × 21,033.54
  4. Step 4: Simplify right side
    36,949.10x = 1,072,495,840.14
  5. Step 5: Solve for x
    x = 1,072,495,840.14/36,949.10
  6. Step 6: Final answer
    x = 29,026.31

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1.5x scale

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.