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Finding the Fourth Proportional to 37,716.54, 52,048.85 and 20,949.54

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Solution

The fourth proportional to 37,716.54, 52,048.85 and 20,949.54 is: 28,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,716.54 : 52,048.85 = 20,949.54 : x
  2. Step 2: Convert to fraction form
    37,716.54/52,048.85 = 20,949.54/x
  3. Step 3: Cross multiply
    37,716.54x = 52,048.85 × 20,949.54
  4. Step 4: Simplify right side
    37,716.54x = 1,090,399,360.28
  5. Step 5: Solve for x
    x = 1,090,399,360.28/37,716.54
  6. Step 6: Final answer
    x = 28,910.38

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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.