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Finding the Fourth Proportional to 23,672.32, 32,668.86 and 13,604.02

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Solution

The fourth proportional to 23,672.32, 32,668.86 and 13,604.02 is: 18,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,672.32 : 32,668.86 = 13,604.02 : x
  2. Step 2: Convert to fraction form
    23,672.32/32,668.86 = 13,604.02/x
  3. Step 3: Cross multiply
    23,672.32x = 32,668.86 × 13,604.02
  4. Step 4: Simplify right side
    23,672.32x = 444,427,824.82
  5. Step 5: Solve for x
    x = 444,427,824.82/23,672.32
  6. Step 6: Final answer
    x = 18,774.16

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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.