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Finding the Fourth Proportional to 16,463.76, 24,749.16 and 13,212.48

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Solution

The fourth proportional to 16,463.76, 24,749.16 and 13,212.48 is: 19,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,463.76 : 24,749.16 = 13,212.48 : x
  2. Step 2: Convert to fraction form
    16,463.76/24,749.16 = 13,212.48/x
  3. Step 3: Cross multiply
    16,463.76x = 24,749.16 × 13,212.48
  4. Step 4: Simplify right side
    16,463.76x = 326,997,781.52
  5. Step 5: Solve for x
    x = 326,997,781.52/16,463.76
  6. Step 6: Final answer
    x = 19,861.67

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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.