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Finding the Fourth Proportional to 35,040, 48,355.20 and 22,481.76

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Solution

The fourth proportional to 35,040, 48,355.20 and 22,481.76 is: 31,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,040 : 48,355.20 = 22,481.76 : x
  2. Step 2: Convert to fraction form
    35,040/48,355.20 = 22,481.76/x
  3. Step 3: Cross multiply
    35,040x = 48,355.20 × 22,481.76
  4. Step 4: Simplify right side
    35,040x = 1,087,110,001.15
  5. Step 5: Solve for x
    x = 1,087,110,001.15/35,040
  6. Step 6: Final answer
    x = 31,024.83

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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.