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Finding the Fourth Proportional to 18,166.56, 27,239.58 and 6,314.88

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Solution

The fourth proportional to 18,166.56, 27,239.58 and 6,314.88 is: 9,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.56 : 27,239.58 = 6,314.88 : x
  2. Step 2: Convert to fraction form
    18,166.56/27,239.58 = 6,314.88/x
  3. Step 3: Cross multiply
    18,166.56x = 27,239.58 × 6,314.88
  4. Step 4: Simplify right side
    18,166.56x = 172,014,678.95
  5. Step 5: Solve for x
    x = 172,014,678.95/18,166.56
  6. Step 6: Final answer
    x = 9,468.75

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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.