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Finding the Fourth Proportional to 35,339.92, 48,755.12 and 22,772

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Solution

The fourth proportional to 35,339.92, 48,755.12 and 22,772 is: 31,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,339.92 : 48,755.12 = 22,772 : x
  2. Step 2: Convert to fraction form
    35,339.92/48,755.12 = 22,772/x
  3. Step 3: Cross multiply
    35,339.92x = 48,755.12 × 22,772
  4. Step 4: Simplify right side
    35,339.92x = 1,110,251,592.64
  5. Step 5: Solve for x
    x = 1,110,251,592.64/35,339.92
  6. Step 6: Final answer
    x = 31,416.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.