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Finding the Fourth Proportional to 21,477.12, 32,217.12 and 5,893.44

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Solution

The fourth proportional to 21,477.12, 32,217.12 and 5,893.44 is: 8,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.12 : 32,217.12 = 5,893.44 : x
  2. Step 2: Convert to fraction form
    21,477.12/32,217.12 = 5,893.44/x
  3. Step 3: Cross multiply
    21,477.12x = 32,217.12 × 5,893.44
  4. Step 4: Simplify right side
    21,477.12x = 189,869,663.69
  5. Step 5: Solve for x
    x = 189,869,663.69/21,477.12
  6. Step 6: Final answer
    x = 8,840.56

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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.