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Finding the Fourth Proportional to 53,893.68, 80,840.48 and 16,453.91

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Solution

The fourth proportional to 53,893.68, 80,840.48 and 16,453.91 is: 24,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,893.68 : 80,840.48 = 16,453.91 : x
  2. Step 2: Convert to fraction form
    53,893.68/80,840.48 = 16,453.91/x
  3. Step 3: Cross multiply
    53,893.68x = 80,840.48 × 16,453.91
  4. Step 4: Simplify right side
    53,893.68x = 1,330,141,967.30
  5. Step 5: Solve for x
    x = 1,330,141,967.30/53,893.68
  6. Step 6: Final answer
    x = 24,680.85

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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.