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Finding the Fourth Proportional to 22,188.84, 33,289.58 and 7,407.44

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Solution

The fourth proportional to 22,188.84, 33,289.58 and 7,407.44 is: 11,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.84 : 33,289.58 = 7,407.44 : x
  2. Step 2: Convert to fraction form
    22,188.84/33,289.58 = 7,407.44/x
  3. Step 3: Cross multiply
    22,188.84x = 33,289.58 × 7,407.44
  4. Step 4: Simplify right side
    22,188.84x = 246,590,566.48
  5. Step 5: Solve for x
    x = 246,590,566.48/22,188.84
  6. Step 6: Final answer
    x = 11,113.27

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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.