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Finding the Fourth Proportional to 21,736.97, 32,599.43 and 7,695.15

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Solution

The fourth proportional to 21,736.97, 32,599.43 and 7,695.15 is: 11,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,736.97 : 32,599.43 = 7,695.15 : x
  2. Step 2: Convert to fraction form
    21,736.97/32,599.43 = 7,695.15/x
  3. Step 3: Cross multiply
    21,736.97x = 32,599.43 × 7,695.15
  4. Step 4: Simplify right side
    21,736.97x = 250,857,340.77
  5. Step 5: Solve for x
    x = 250,857,340.77/21,736.97
  6. Step 6: Final answer
    x = 11,540.58

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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.