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Finding the Fourth Proportional to 33,424.50, 46,125.90 and 18,520.50

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Solution

The fourth proportional to 33,424.50, 46,125.90 and 18,520.50 is: 25,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,424.50 : 46,125.90 = 18,520.50 : x
  2. Step 2: Convert to fraction form
    33,424.50/46,125.90 = 18,520.50/x
  3. Step 3: Cross multiply
    33,424.50x = 46,125.90 × 18,520.50
  4. Step 4: Simplify right side
    33,424.50x = 854,274,730.95
  5. Step 5: Solve for x
    x = 854,274,730.95/33,424.50
  6. Step 6: Final answer
    x = 25,558.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.