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Finding the Fourth Proportional to 18,133.88, 27,174.90 and 10,326.56

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Solution

The fourth proportional to 18,133.88, 27,174.90 and 10,326.56 is: 15,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.88 : 27,174.90 = 10,326.56 : x
  2. Step 2: Convert to fraction form
    18,133.88/27,174.90 = 10,326.56/x
  3. Step 3: Cross multiply
    18,133.88x = 27,174.90 × 10,326.56
  4. Step 4: Simplify right side
    18,133.88x = 280,623,235.34
  5. Step 5: Solve for x
    x = 280,623,235.34/18,133.88
  6. Step 6: Final answer
    x = 15,475.08

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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.