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Finding the Fourth Proportional to 33,203.85, 45,820.13 and 18,096.20

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Solution

The fourth proportional to 33,203.85, 45,820.13 and 18,096.20 is: 24,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,203.85 : 45,820.13 = 18,096.20 : x
  2. Step 2: Convert to fraction form
    33,203.85/45,820.13 = 18,096.20/x
  3. Step 3: Cross multiply
    33,203.85x = 45,820.13 × 18,096.20
  4. Step 4: Simplify right side
    33,203.85x = 829,170,236.51
  5. Step 5: Solve for x
    x = 829,170,236.51/33,203.85
  6. Step 6: Final answer
    x = 24,972.11

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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.