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Finding the Fourth Proportional to 10,611.92, 15,917.92 and 3,592.00

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Solution

The fourth proportional to 10,611.92, 15,917.92 and 3,592.00 is: 5,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.92 : 15,917.92 = 3,592.00 : x
  2. Step 2: Convert to fraction form
    10,611.92/15,917.92 = 3,592.00/x
  3. Step 3: Cross multiply
    10,611.92x = 15,917.92 × 3,592.00
  4. Step 4: Simplify right side
    10,611.92x = 57,177,224.33
  5. Step 5: Solve for x
    x = 57,177,224.33/10,611.92
  6. Step 6: Final answer
    x = 5,388.02

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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.