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Finding the Fourth Proportional to 23,668.56, 32,662.08 and 13,059.20

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Solution

The fourth proportional to 23,668.56, 32,662.08 and 13,059.20 is: 18,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,668.56 : 32,662.08 = 13,059.20 : x
  2. Step 2: Convert to fraction form
    23,668.56/32,662.08 = 13,059.20/x
  3. Step 3: Cross multiply
    23,668.56x = 32,662.08 × 13,059.20
  4. Step 4: Simplify right side
    23,668.56x = 426,540,635.14
  5. Step 5: Solve for x
    x = 426,540,635.14/23,668.56
  6. Step 6: Final answer
    x = 18,021.40

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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.