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Finding the Fourth Proportional to 21,662.52, 32,493.51 and 6,871.56

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Solution

The fourth proportional to 21,662.52, 32,493.51 and 6,871.56 is: 10,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,662.52 : 32,493.51 = 6,871.56 : x
  2. Step 2: Convert to fraction form
    21,662.52/32,493.51 = 6,871.56/x
  3. Step 3: Cross multiply
    21,662.52x = 32,493.51 × 6,871.56
  4. Step 4: Simplify right side
    21,662.52x = 223,281,103.58
  5. Step 5: Solve for x
    x = 223,281,103.58/21,662.52
  6. Step 6: Final answer
    x = 10,307.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.