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Finding the Fourth Proportional to 18,495.14, 27,751.82 and 8,632.98

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Solution

The fourth proportional to 18,495.14, 27,751.82 and 8,632.98 is: 12,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.14 : 27,751.82 = 8,632.98 : x
  2. Step 2: Convert to fraction form
    18,495.14/27,751.82 = 8,632.98/x
  3. Step 3: Cross multiply
    18,495.14x = 27,751.82 × 8,632.98
  4. Step 4: Simplify right side
    18,495.14x = 239,580,863.86
  5. Step 5: Solve for x
    x = 239,580,863.86/18,495.14
  6. Step 6: Final answer
    x = 12,953.72

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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.