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Finding the Fourth Proportional to 53,883.59, 80,825.39 and 16,443.86

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Solution

The fourth proportional to 53,883.59, 80,825.39 and 16,443.86 is: 24,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.59 : 80,825.39 = 16,443.86 : x
  2. Step 2: Convert to fraction form
    53,883.59/80,825.39 = 16,443.86/x
  3. Step 3: Cross multiply
    53,883.59x = 80,825.39 × 16,443.86
  4. Step 4: Simplify right side
    53,883.59x = 1,329,080,926.68
  5. Step 5: Solve for x
    x = 1,329,080,926.68/53,883.59
  6. Step 6: Final answer
    x = 24,665.78

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1.5x scale

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.