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Finding the Fourth Proportional to 53,883.20, 80,824.80 and 16,443.47

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Solution

The fourth proportional to 53,883.20, 80,824.80 and 16,443.47 is: 24,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.20 : 80,824.80 = 16,443.47 : x
  2. Step 2: Convert to fraction form
    53,883.20/80,824.80 = 16,443.47/x
  3. Step 3: Cross multiply
    53,883.20x = 80,824.80 × 16,443.47
  4. Step 4: Simplify right side
    53,883.20x = 1,329,040,027.43
  5. Step 5: Solve for x
    x = 1,329,040,027.43/53,883.20
  6. Step 6: Final answer
    x = 24,665.20

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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.