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Finding the Fourth Proportional to 53,872.80, 80,813.88 and 16,441.31

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Solution

The fourth proportional to 53,872.80, 80,813.88 and 16,441.31 is: 24,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,872.80 : 80,813.88 = 16,441.31 : x
  2. Step 2: Convert to fraction form
    53,872.80/80,813.88 = 16,441.31/x
  3. Step 3: Cross multiply
    53,872.80x = 80,813.88 × 16,441.31
  4. Step 4: Simplify right side
    53,872.80x = 1,328,685,649.31
  5. Step 5: Solve for x
    x = 1,328,685,649.31/53,872.80
  6. Step 6: Final answer
    x = 24,663.39

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1.5x scale

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.