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Finding the Fourth Proportional to 18,460.83, 27,685.43 and 5,977.97

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Solution

The fourth proportional to 18,460.83, 27,685.43 and 5,977.97 is: 8,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.83 : 27,685.43 = 5,977.97 : x
  2. Step 2: Convert to fraction form
    18,460.83/27,685.43 = 5,977.97/x
  3. Step 3: Cross multiply
    18,460.83x = 27,685.43 × 5,977.97
  4. Step 4: Simplify right side
    18,460.83x = 165,502,546.49
  5. Step 5: Solve for x
    x = 165,502,546.49/18,460.83
  6. Step 6: Final answer
    x = 8,965.07

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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.