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Finding the Fourth Proportional to 33,250, 45,885.96 and 18,346.96

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Solution

The fourth proportional to 33,250, 45,885.96 and 18,346.96 is: 25,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,250 : 45,885.96 = 18,346.96 : x
  2. Step 2: Convert to fraction form
    33,250/45,885.96 = 18,346.96/x
  3. Step 3: Cross multiply
    33,250x = 45,885.96 × 18,346.96
  4. Step 4: Simplify right side
    33,250x = 841,867,872.68
  5. Step 5: Solve for x
    x = 841,867,872.68/33,250
  6. Step 6: Final answer
    x = 25,319.33

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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.