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Finding the Fourth Proportional to 22,446.81, 33,627.10 and 12,556.10

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Solution

The fourth proportional to 22,446.81, 33,627.10 and 12,556.10 is: 18,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,446.81 : 33,627.10 = 12,556.10 : x
  2. Step 2: Convert to fraction form
    22,446.81/33,627.10 = 12,556.10/x
  3. Step 3: Cross multiply
    22,446.81x = 33,627.10 × 12,556.10
  4. Step 4: Simplify right side
    22,446.81x = 422,225,230.31
  5. Step 5: Solve for x
    x = 422,225,230.31/22,446.81
  6. Step 6: Final answer
    x = 18,810.03

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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.