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Finding the Fourth Proportional to 22,643.10, 33,997.05 and 12,801.60

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Solution

The fourth proportional to 22,643.10, 33,997.05 and 12,801.60 is: 19,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.10 : 33,997.05 = 12,801.60 : x
  2. Step 2: Convert to fraction form
    22,643.10/33,997.05 = 12,801.60/x
  3. Step 3: Cross multiply
    22,643.10x = 33,997.05 × 12,801.60
  4. Step 4: Simplify right side
    22,643.10x = 435,216,635.28
  5. Step 5: Solve for x
    x = 435,216,635.28/22,643.10
  6. Step 6: Final answer
    x = 19,220.72

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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.