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Finding the Fourth Proportional to 53,652.67, 80,479.76 and 16,213.05

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Solution

The fourth proportional to 53,652.67, 80,479.76 and 16,213.05 is: 24,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,652.67 : 80,479.76 = 16,213.05 : x
  2. Step 2: Convert to fraction form
    53,652.67/80,479.76 = 16,213.05/x
  3. Step 3: Cross multiply
    53,652.67x = 80,479.76 × 16,213.05
  4. Step 4: Simplify right side
    53,652.67x = 1,304,822,372.87
  5. Step 5: Solve for x
    x = 1,304,822,372.87/53,652.67
  6. Step 6: Final answer
    x = 24,319.81

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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.