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Finding the Fourth Proportional to 73,478.60, 101,399.33 and 41,213.21

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Solution

The fourth proportional to 73,478.60, 101,399.33 and 41,213.21 is: 56,873.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,478.60 : 101,399.33 = 41,213.21 : x
  2. Step 2: Convert to fraction form
    73,478.60/101,399.33 = 41,213.21/x
  3. Step 3: Cross multiply
    73,478.60x = 101,399.33 × 41,213.21
  4. Step 4: Simplify right side
    73,478.60x = 4,178,991,168.09
  5. Step 5: Solve for x
    x = 4,178,991,168.09/73,478.60
  6. Step 6: Final answer
    x = 56,873.59

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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.