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Finding the Fourth Proportional to 18,471.99, 27,714.47 and 9,583.05

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Solution

The fourth proportional to 18,471.99, 27,714.47 and 9,583.05 is: 14,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,471.99 : 27,714.47 = 9,583.05 : x
  2. Step 2: Convert to fraction form
    18,471.99/27,714.47 = 9,583.05/x
  3. Step 3: Cross multiply
    18,471.99x = 27,714.47 × 9,583.05
  4. Step 4: Simplify right side
    18,471.99x = 265,589,103.82
  5. Step 5: Solve for x
    x = 265,589,103.82/18,471.99
  6. Step 6: Final answer
    x = 14,377.94

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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.