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Finding the Fourth Proportional to 35,845, 49,463.76 and 19,928.88

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Solution

The fourth proportional to 35,845, 49,463.76 and 19,928.88 is: 27,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,845 : 49,463.76 = 19,928.88 : x
  2. Step 2: Convert to fraction form
    35,845/49,463.76 = 19,928.88/x
  3. Step 3: Cross multiply
    35,845x = 49,463.76 × 19,928.88
  4. Step 4: Simplify right side
    35,845x = 985,757,337.39
  5. Step 5: Solve for x
    x = 985,757,337.39/35,845
  6. Step 6: Final answer
    x = 27,500.55

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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.