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Finding the Fourth Proportional to 52,613.68, 78,949.68 and 21,446.52

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Solution

The fourth proportional to 52,613.68, 78,949.68 and 21,446.52 is: 32,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,613.68 : 78,949.68 = 21,446.52 : x
  2. Step 2: Convert to fraction form
    52,613.68/78,949.68 = 21,446.52/x
  3. Step 3: Cross multiply
    52,613.68x = 78,949.68 × 21,446.52
  4. Step 4: Simplify right side
    52,613.68x = 1,693,195,891.11
  5. Step 5: Solve for x
    x = 1,693,195,891.11/52,613.68
  6. Step 6: Final answer
    x = 32,181.67

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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.