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Finding the Fourth Proportional to 53,820.54, 80,740.80 and 16,383.96

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Solution

The fourth proportional to 53,820.54, 80,740.80 and 16,383.96 is: 24,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,820.54 : 80,740.80 = 16,383.96 : x
  2. Step 2: Convert to fraction form
    53,820.54/80,740.80 = 16,383.96/x
  3. Step 3: Cross multiply
    53,820.54x = 80,740.80 × 16,383.96
  4. Step 4: Simplify right side
    53,820.54x = 1,322,854,037.57
  5. Step 5: Solve for x
    x = 1,322,854,037.57/53,820.54
  6. Step 6: Final answer
    x = 24,578.98

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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.