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Finding the Fourth Proportional to 33,247.44, 45,880.20 and 18,343.44

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Solution

The fourth proportional to 33,247.44, 45,880.20 and 18,343.44 is: 25,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,247.44 : 45,880.20 = 18,343.44 : x
  2. Step 2: Convert to fraction form
    33,247.44/45,880.20 = 18,343.44/x
  3. Step 3: Cross multiply
    33,247.44x = 45,880.20 × 18,343.44
  4. Step 4: Simplify right side
    33,247.44x = 841,600,695.89
  5. Step 5: Solve for x
    x = 841,600,695.89/33,247.44
  6. Step 6: Final answer
    x = 25,313.25

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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.