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Finding the Fourth Proportional to 14,668.10, 20,240.04 and 8,295.56

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Solution

The fourth proportional to 14,668.10, 20,240.04 and 8,295.56 is: 11,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.10 : 20,240.04 = 8,295.56 : x
  2. Step 2: Convert to fraction form
    14,668.10/20,240.04 = 8,295.56/x
  3. Step 3: Cross multiply
    14,668.10x = 20,240.04 × 8,295.56
  4. Step 4: Simplify right side
    14,668.10x = 167,902,466.22
  5. Step 5: Solve for x
    x = 167,902,466.22/14,668.10
  6. Step 6: Final answer
    x = 11,446.78

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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.