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Finding the Fourth Proportional to 27,740.89, 41,611.35 and 9,272.89

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Solution

The fourth proportional to 27,740.89, 41,611.35 and 9,272.89 is: 13,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,740.89 : 41,611.35 = 9,272.89 : x
  2. Step 2: Convert to fraction form
    27,740.89/41,611.35 = 9,272.89/x
  3. Step 3: Cross multiply
    27,740.89x = 41,611.35 × 9,272.89
  4. Step 4: Simplify right side
    27,740.89x = 385,857,471.30
  5. Step 5: Solve for x
    x = 385,857,471.30/27,740.89
  6. Step 6: Final answer
    x = 13,909.34

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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.