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Finding the Fourth Proportional to 22,502.60, 33,745.80 and 11,405.60

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Solution

The fourth proportional to 22,502.60, 33,745.80 and 11,405.60 is: 17,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502.60 : 33,745.80 = 11,405.60 : x
  2. Step 2: Convert to fraction form
    22,502.60/33,745.80 = 11,405.60/x
  3. Step 3: Cross multiply
    22,502.60x = 33,745.80 × 11,405.60
  4. Step 4: Simplify right side
    22,502.60x = 384,891,096.48
  5. Step 5: Solve for x
    x = 384,891,096.48/22,502.60
  6. Step 6: Final answer
    x = 17,104.29

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Why These Related Problems?

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