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Finding the Fourth Proportional to 61,777.10, 92,671.06 and 25,745.60

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Solution

The fourth proportional to 61,777.10, 92,671.06 and 25,745.60 is: 38,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,777.10 : 92,671.06 = 25,745.60 : x
  2. Step 2: Convert to fraction form
    61,777.10/92,671.06 = 25,745.60/x
  3. Step 3: Cross multiply
    61,777.10x = 92,671.06 × 25,745.60
  4. Step 4: Simplify right side
    61,777.10x = 2,385,872,042.34
  5. Step 5: Solve for x
    x = 2,385,872,042.34/61,777.10
  6. Step 6: Final answer
    x = 38,620.65

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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.