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Finding the Fourth Proportional to 35,091.20, 52,636.80 and 16,659.20

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Solution

The fourth proportional to 35,091.20, 52,636.80 and 16,659.20 is: 24,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,091.20 : 52,636.80 = 16,659.20 : x
  2. Step 2: Convert to fraction form
    35,091.20/52,636.80 = 16,659.20/x
  3. Step 3: Cross multiply
    35,091.20x = 52,636.80 × 16,659.20
  4. Step 4: Simplify right side
    35,091.20x = 876,886,978.56
  5. Step 5: Solve for x
    x = 876,886,978.56/35,091.20
  6. Step 6: Final answer
    x = 24,988.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.