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Finding the Fourth Proportional to 23,606.96, 32,591.16 and 15,659.96

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Solution

The fourth proportional to 23,606.96, 32,591.16 and 15,659.96 is: 21,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,606.96 : 32,591.16 = 15,659.96 : x
  2. Step 2: Convert to fraction form
    23,606.96/32,591.16 = 15,659.96/x
  3. Step 3: Cross multiply
    23,606.96x = 32,591.16 × 15,659.96
  4. Step 4: Simplify right side
    23,606.96x = 510,376,261.95
  5. Step 5: Solve for x
    x = 510,376,261.95/23,606.96
  6. Step 6: Final answer
    x = 21,619.74

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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.