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Finding the Fourth Proportional to 10,975.44, 16,463.88 and 3,956.88

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Solution

The fourth proportional to 10,975.44, 16,463.88 and 3,956.88 is: 5,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.44 : 16,463.88 = 3,956.88 : x
  2. Step 2: Convert to fraction form
    10,975.44/16,463.88 = 3,956.88/x
  3. Step 3: Cross multiply
    10,975.44x = 16,463.88 × 3,956.88
  4. Step 4: Simplify right side
    10,975.44x = 65,145,597.49
  5. Step 5: Solve for x
    x = 65,145,597.49/10,975.44
  6. Step 6: Final answer
    x = 5,935.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.