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Finding the Fourth Proportional to 27,731.72, 41,599.88 and 9,011.34

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Solution

The fourth proportional to 27,731.72, 41,599.88 and 9,011.34 is: 13,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731.72 : 41,599.88 = 9,011.34 : x
  2. Step 2: Convert to fraction form
    27,731.72/41,599.88 = 9,011.34/x
  3. Step 3: Cross multiply
    27,731.72x = 41,599.88 × 9,011.34
  4. Step 4: Simplify right side
    27,731.72x = 374,870,662.64
  5. Step 5: Solve for x
    x = 374,870,662.64/27,731.72
  6. Step 6: Final answer
    x = 13,517.76

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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.