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Finding the Fourth Proportional to 18,197.16, 27,295.92 and 7,668.96

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Solution

The fourth proportional to 18,197.16, 27,295.92 and 7,668.96 is: 11,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.16 : 27,295.92 = 7,668.96 : x
  2. Step 2: Convert to fraction form
    18,197.16/27,295.92 = 7,668.96/x
  3. Step 3: Cross multiply
    18,197.16x = 27,295.92 × 7,668.96
  4. Step 4: Simplify right side
    18,197.16x = 209,331,318.64
  5. Step 5: Solve for x
    x = 209,331,318.64/18,197.16
  6. Step 6: Final answer
    x = 11,503.52

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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.