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Finding the Fourth Proportional to 57,621, 86,446.08 and 16,068

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Solution

The fourth proportional to 57,621, 86,446.08 and 16,068 is: 24,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,621 : 86,446.08 = 16,068 : x
  2. Step 2: Convert to fraction form
    57,621/86,446.08 = 16,068/x
  3. Step 3: Cross multiply
    57,621x = 86,446.08 × 16,068
  4. Step 4: Simplify right side
    57,621x = 1,389,015,613.44
  5. Step 5: Solve for x
    x = 1,389,015,613.44/57,621
  6. Step 6: Final answer
    x = 24,106.07

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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.