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Finding the Fourth Proportional to 55,893, 83,852.46 and 18,957

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Solution

The fourth proportional to 55,893, 83,852.46 and 18,957 is: 28,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,893 : 83,852.46 = 18,957 : x
  2. Step 2: Convert to fraction form
    55,893/83,852.46 = 18,957/x
  3. Step 3: Cross multiply
    55,893x = 83,852.46 × 18,957
  4. Step 4: Simplify right side
    55,893x = 1,589,591,084.22
  5. Step 5: Solve for x
    x = 1,589,591,084.22/55,893
  6. Step 6: Final answer
    x = 28,439.90

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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.