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Finding the Fourth Proportional to 37,640.88, 51,944.48 and 20,873.88

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Solution

The fourth proportional to 37,640.88, 51,944.48 and 20,873.88 is: 28,805.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,640.88 : 51,944.48 = 20,873.88 : x
  2. Step 2: Convert to fraction form
    37,640.88/51,944.48 = 20,873.88/x
  3. Step 3: Cross multiply
    37,640.88x = 51,944.48 × 20,873.88
  4. Step 4: Simplify right side
    37,640.88x = 1,084,282,842.18
  5. Step 5: Solve for x
    x = 1,084,282,842.18/37,640.88
  6. Step 6: Final answer
    x = 28,805.99

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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.