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Finding the Fourth Proportional to 55,497.86, 83,220.82 and 23,906.64

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Solution

The fourth proportional to 55,497.86, 83,220.82 and 23,906.64 is: 35,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,497.86 : 83,220.82 = 23,906.64 : x
  2. Step 2: Convert to fraction form
    55,497.86/83,220.82 = 23,906.64/x
  3. Step 3: Cross multiply
    55,497.86x = 83,220.82 × 23,906.64
  4. Step 4: Simplify right side
    55,497.86x = 1,989,530,436.56
  5. Step 5: Solve for x
    x = 1,989,530,436.56/55,497.86
  6. Step 6: Final answer
    x = 35,848.78

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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.