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Finding the Fourth Proportional to 18,342.75, 27,514.17 and 6,655.98

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Solution

The fourth proportional to 18,342.75, 27,514.17 and 6,655.98 is: 9,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.75 : 27,514.17 = 6,655.98 : x
  2. Step 2: Convert to fraction form
    18,342.75/27,514.17 = 6,655.98/x
  3. Step 3: Cross multiply
    18,342.75x = 27,514.17 × 6,655.98
  4. Step 4: Simplify right side
    18,342.75x = 183,133,765.24
  5. Step 5: Solve for x
    x = 183,133,765.24/18,342.75
  6. Step 6: Final answer
    x = 9,983.99

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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.