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Finding the Fourth Proportional to 16,677.50, 22,879.26 and 16,241.72

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Solution

The fourth proportional to 16,677.50, 22,879.26 and 16,241.72 is: 22,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,677.50 : 22,879.26 = 16,241.72 : x
  2. Step 2: Convert to fraction form
    16,677.50/22,879.26 = 16,241.72/x
  3. Step 3: Cross multiply
    16,677.50x = 22,879.26 × 16,241.72
  4. Step 4: Simplify right side
    16,677.50x = 371,598,420.33
  5. Step 5: Solve for x
    x = 371,598,420.33/16,677.50
  6. Step 6: Final answer
    x = 22,281.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.