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Finding the Fourth Proportional to 18,273.59, 27,410.57 and 6,427.68

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Solution

The fourth proportional to 18,273.59, 27,410.57 and 6,427.68 is: 9,641.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.59 : 27,410.57 = 6,427.68 : x
  2. Step 2: Convert to fraction form
    18,273.59/27,410.57 = 6,427.68/x
  3. Step 3: Cross multiply
    18,273.59x = 27,410.57 × 6,427.68
  4. Step 4: Simplify right side
    18,273.59x = 176,186,340.44
  5. Step 5: Solve for x
    x = 176,186,340.44/18,273.59
  6. Step 6: Final answer
    x = 9,641.59

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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.