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Finding the Fourth Proportional to 13,041, 18,011.16 and 8,841.96

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Solution

The fourth proportional to 13,041, 18,011.16 and 8,841.96 is: 12,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041 : 18,011.16 = 8,841.96 : x
  2. Step 2: Convert to fraction form
    13,041/18,011.16 = 8,841.96/x
  3. Step 3: Cross multiply
    13,041x = 18,011.16 × 8,841.96
  4. Step 4: Simplify right side
    13,041x = 159,253,956.27
  5. Step 5: Solve for x
    x = 159,253,956.27/13,041
  6. Step 6: Final answer
    x = 12,211.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.