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Finding the Fourth Proportional to 61,852, 92,793.84 and 20,299.36

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Solution

The fourth proportional to 61,852, 92,793.84 and 20,299.36 is: 30,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,852 : 92,793.84 = 20,299.36 : x
  2. Step 2: Convert to fraction form
    61,852/92,793.84 = 20,299.36/x
  3. Step 3: Cross multiply
    61,852x = 92,793.84 × 20,299.36
  4. Step 4: Simplify right side
    61,852x = 1,883,655,563.94
  5. Step 5: Solve for x
    x = 1,883,655,563.94/61,852
  6. Step 6: Final answer
    x = 30,454.24

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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.