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Finding the Fourth Proportional to 61,765.92, 92,652.12 and 19,650.60

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Solution

The fourth proportional to 61,765.92, 92,652.12 and 19,650.60 is: 29,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,765.92 : 92,652.12 = 19,650.60 : x
  2. Step 2: Convert to fraction form
    61,765.92/92,652.12 = 19,650.60/x
  3. Step 3: Cross multiply
    61,765.92x = 92,652.12 × 19,650.60
  4. Step 4: Simplify right side
    61,765.92x = 1,820,669,749.27
  5. Step 5: Solve for x
    x = 1,820,669,749.27/61,765.92
  6. Step 6: Final answer
    x = 29,476.93

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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.