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Finding the Fourth Proportional to 27,330.47, 40,995.71 and 7,609.55

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Solution

The fourth proportional to 27,330.47, 40,995.71 and 7,609.55 is: 11,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.47 : 40,995.71 = 7,609.55 : x
  2. Step 2: Convert to fraction form
    27,330.47/40,995.71 = 7,609.55/x
  3. Step 3: Cross multiply
    27,330.47x = 40,995.71 × 7,609.55
  4. Step 4: Simplify right side
    27,330.47x = 311,958,690.54
  5. Step 5: Solve for x
    x = 311,958,690.54/27,330.47
  6. Step 6: Final answer
    x = 11,414.32

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Similar ratio
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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.