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Finding the Fourth Proportional to 33,232.88, 45,861.36 and 18,328.88

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Solution

The fourth proportional to 33,232.88, 45,861.36 and 18,328.88 is: 25,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,232.88 : 45,861.36 = 18,328.88 : x
  2. Step 2: Convert to fraction form
    33,232.88/45,861.36 = 18,328.88/x
  3. Step 3: Cross multiply
    33,232.88x = 45,861.36 × 18,328.88
  4. Step 4: Simplify right side
    33,232.88x = 840,587,364.08
  5. Step 5: Solve for x
    x = 840,587,364.08/33,232.88
  6. Step 6: Final answer
    x = 25,293.85

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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.