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Finding the Fourth Proportional to 33,170.50, 45,775.29 and 18,266.50

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Solution

The fourth proportional to 33,170.50, 45,775.29 and 18,266.50 is: 25,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.50 : 45,775.29 = 18,266.50 : x
  2. Step 2: Convert to fraction form
    33,170.50/45,775.29 = 18,266.50/x
  3. Step 3: Cross multiply
    33,170.50x = 45,775.29 × 18,266.50
  4. Step 4: Simplify right side
    33,170.50x = 836,154,334.79
  5. Step 5: Solve for x
    x = 836,154,334.79/33,170.50
  6. Step 6: Final answer
    x = 25,207.77

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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.