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Finding the Fourth Proportional to 27,179.82, 40,775.94 and 9,649.62

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Solution

The fourth proportional to 27,179.82, 40,775.94 and 9,649.62 is: 14,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,179.82 : 40,775.94 = 9,649.62 : x
  2. Step 2: Convert to fraction form
    27,179.82/40,775.94 = 9,649.62/x
  3. Step 3: Cross multiply
    27,179.82x = 40,775.94 × 9,649.62
  4. Step 4: Simplify right side
    27,179.82x = 393,472,326.14
  5. Step 5: Solve for x
    x = 393,472,326.14/27,179.82
  6. Step 6: Final answer
    x = 14,476.63

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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.