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Finding the Fourth Proportional to 61,660.58, 92,617.11 and 40,630.77

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Solution

The fourth proportional to 61,660.58, 92,617.11 and 40,630.77 is: 61,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,660.58 : 92,617.11 = 40,630.77 : x
  2. Step 2: Convert to fraction form
    61,660.58/92,617.11 = 40,630.77/x
  3. Step 3: Cross multiply
    61,660.58x = 92,617.11 × 40,630.77
  4. Step 4: Simplify right side
    61,660.58x = 3,763,104,494.47
  5. Step 5: Solve for x
    x = 3,763,104,494.47/61,660.58
  6. Step 6: Final answer
    x = 61,029.34

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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.