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Finding the Fourth Proportional to 27,653.62, 41,474.85 and 7,926.88

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Solution

The fourth proportional to 27,653.62, 41,474.85 and 7,926.88 is: 11,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,653.62 : 41,474.85 = 7,926.88 : x
  2. Step 2: Convert to fraction form
    27,653.62/41,474.85 = 7,926.88/x
  3. Step 3: Cross multiply
    27,653.62x = 41,474.85 × 7,926.88
  4. Step 4: Simplify right side
    27,653.62x = 328,766,158.97
  5. Step 5: Solve for x
    x = 328,766,158.97/27,653.62
  6. Step 6: Final answer
    x = 11,888.72

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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.