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Finding the Fourth Proportional to 40,970.44, 61,481.22 and 14,674.60

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Solution

The fourth proportional to 40,970.44, 61,481.22 and 14,674.60 is: 22,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,970.44 : 61,481.22 = 14,674.60 : x
  2. Step 2: Convert to fraction form
    40,970.44/61,481.22 = 14,674.60/x
  3. Step 3: Cross multiply
    40,970.44x = 61,481.22 × 14,674.60
  4. Step 4: Simplify right side
    40,970.44x = 902,212,311.01
  5. Step 5: Solve for x
    x = 902,212,311.01/40,970.44
  6. Step 6: Final answer
    x = 22,021.05

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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.