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Finding the Fourth Proportional to 63,559.68, 95,344.08 and 16,812

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Solution

The fourth proportional to 63,559.68, 95,344.08 and 16,812 is: 25,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,559.68 : 95,344.08 = 16,812 : x
  2. Step 2: Convert to fraction form
    63,559.68/95,344.08 = 16,812/x
  3. Step 3: Cross multiply
    63,559.68x = 95,344.08 × 16,812
  4. Step 4: Simplify right side
    63,559.68x = 1,602,924,672.96
  5. Step 5: Solve for x
    x = 1,602,924,672.96/63,559.68
  6. Step 6: Final answer
    x = 25,219.21

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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.