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Finding the Fourth Proportional to 33,345.88, 50,018.26 and 8,721.88

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Solution

The fourth proportional to 33,345.88, 50,018.26 and 8,721.88 is: 13,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,345.88 : 50,018.26 = 8,721.88 : x
  2. Step 2: Convert to fraction form
    33,345.88/50,018.26 = 8,721.88/x
  3. Step 3: Cross multiply
    33,345.88x = 50,018.26 × 8,721.88
  4. Step 4: Simplify right side
    33,345.88x = 436,253,261.53
  5. Step 5: Solve for x
    x = 436,253,261.53/33,345.88
  6. Step 6: Final answer
    x = 13,082.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.