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Finding the Fourth Proportional to 27,641.40, 41,447.39 and 10,992.84

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Solution

The fourth proportional to 27,641.40, 41,447.39 and 10,992.84 is: 16,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,641.40 : 41,447.39 = 10,992.84 : x
  2. Step 2: Convert to fraction form
    27,641.40/41,447.39 = 10,992.84/x
  3. Step 3: Cross multiply
    27,641.40x = 41,447.39 × 10,992.84
  4. Step 4: Simplify right side
    27,641.40x = 455,624,471.72
  5. Step 5: Solve for x
    x = 455,624,471.72/27,641.40
  6. Step 6: Final answer
    x = 16,483.41

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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.