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Finding the Fourth Proportional to 11,574.96, 17,327.88 and 7,880.88

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Solution

The fourth proportional to 11,574.96, 17,327.88 and 7,880.88 is: 11,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.96 : 17,327.88 = 7,880.88 : x
  2. Step 2: Convert to fraction form
    11,574.96/17,327.88 = 7,880.88/x
  3. Step 3: Cross multiply
    11,574.96x = 17,327.88 × 7,880.88
  4. Step 4: Simplify right side
    11,574.96x = 136,558,942.93
  5. Step 5: Solve for x
    x = 136,558,942.93/11,574.96
  6. Step 6: Final answer
    x = 11,797.79

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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.