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Finding the Fourth Proportional to 53,884.98, 80,864.46 and 18,824.67

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Solution

The fourth proportional to 53,884.98, 80,864.46 and 18,824.67 is: 28,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,884.98 : 80,864.46 = 18,824.67 : x
  2. Step 2: Convert to fraction form
    53,884.98/80,864.46 = 18,824.67/x
  3. Step 3: Cross multiply
    53,884.98x = 80,864.46 × 18,824.67
  4. Step 4: Simplify right side
    53,884.98x = 1,522,246,774.23
  5. Step 5: Solve for x
    x = 1,522,246,774.23/53,884.98
  6. Step 6: Final answer
    x = 28,249.93

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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.