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Finding the Fourth Proportional to 21,852.55, 32,775.20 and 6,059.21

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Solution

The fourth proportional to 21,852.55, 32,775.20 and 6,059.21 is: 9,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852.55 : 32,775.20 = 6,059.21 : x
  2. Step 2: Convert to fraction form
    21,852.55/32,775.20 = 6,059.21/x
  3. Step 3: Cross multiply
    21,852.55x = 32,775.20 × 6,059.21
  4. Step 4: Simplify right side
    21,852.55x = 198,591,648.14
  5. Step 5: Solve for x
    x = 198,591,648.14/21,852.55
  6. Step 6: Final answer
    x = 9,087.80

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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.