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Finding the Fourth Proportional to 10,741.20, 16,102.08 and 3,814.08

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Solution

The fourth proportional to 10,741.20, 16,102.08 and 3,814.08 is: 5,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,741.20 : 16,102.08 = 3,814.08 : x
  2. Step 2: Convert to fraction form
    10,741.20/16,102.08 = 3,814.08/x
  3. Step 3: Cross multiply
    10,741.20x = 16,102.08 × 3,814.08
  4. Step 4: Simplify right side
    10,741.20x = 61,414,621.29
  5. Step 5: Solve for x
    x = 61,414,621.29/10,741.20
  6. Step 6: Final answer
    x = 5,717.67

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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.