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Finding the Fourth Proportional to 33,168.11, 49,758.74 and 9,475.86

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Solution

The fourth proportional to 33,168.11, 49,758.74 and 9,475.86 is: 14,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,168.11 : 49,758.74 = 9,475.86 : x
  2. Step 2: Convert to fraction form
    33,168.11/49,758.74 = 9,475.86/x
  3. Step 3: Cross multiply
    33,168.11x = 49,758.74 × 9,475.86
  4. Step 4: Simplify right side
    33,168.11x = 471,506,806.64
  5. Step 5: Solve for x
    x = 471,506,806.64/33,168.11
  6. Step 6: Final answer
    x = 14,215.67

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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.