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Finding the Fourth Proportional to 19,212.22, 28,817.30 and 5,885.22

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Solution

The fourth proportional to 19,212.22, 28,817.30 and 5,885.22 is: 8,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.22 : 28,817.30 = 5,885.22 : x
  2. Step 2: Convert to fraction form
    19,212.22/28,817.30 = 5,885.22/x
  3. Step 3: Cross multiply
    19,212.22x = 28,817.30 × 5,885.22
  4. Step 4: Simplify right side
    19,212.22x = 169,596,273.08
  5. Step 5: Solve for x
    x = 169,596,273.08/19,212.22
  6. Step 6: Final answer
    x = 8,827.52

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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.