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Finding the Fourth Proportional to 21,466.88, 32,205.79 and 6,675.92

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Solution

The fourth proportional to 21,466.88, 32,205.79 and 6,675.92 is: 10,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,466.88 : 32,205.79 = 6,675.92 : x
  2. Step 2: Convert to fraction form
    21,466.88/32,205.79 = 6,675.92/x
  3. Step 3: Cross multiply
    21,466.88x = 32,205.79 × 6,675.92
  4. Step 4: Simplify right side
    21,466.88x = 215,003,116.55
  5. Step 5: Solve for x
    x = 215,003,116.55/21,466.88
  6. Step 6: Final answer
    x = 10,015.58

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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.