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Finding the Fourth Proportional to 35,251.20, 52,879.20 and 11,233.60

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Solution

The fourth proportional to 35,251.20, 52,879.20 and 11,233.60 is: 16,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,251.20 : 52,879.20 = 11,233.60 : x
  2. Step 2: Convert to fraction form
    35,251.20/52,879.20 = 11,233.60/x
  3. Step 3: Cross multiply
    35,251.20x = 52,879.20 × 11,233.60
  4. Step 4: Simplify right side
    35,251.20x = 594,023,781.12
  5. Step 5: Solve for x
    x = 594,023,781.12/35,251.20
  6. Step 6: Final answer
    x = 16,851.16

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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.