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Finding the Fourth Proportional to 18,536.21, 27,788.03 and 9,632.80

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Solution

The fourth proportional to 18,536.21, 27,788.03 and 9,632.80 is: 14,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.21 : 27,788.03 = 9,632.80 : x
  2. Step 2: Convert to fraction form
    18,536.21/27,788.03 = 9,632.80/x
  3. Step 3: Cross multiply
    18,536.21x = 27,788.03 × 9,632.80
  4. Step 4: Simplify right side
    18,536.21x = 267,676,535.38
  5. Step 5: Solve for x
    x = 267,676,535.38/18,536.21
  6. Step 6: Final answer
    x = 14,440.74

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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.