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Finding the Fourth Proportional to 66,977.70, 92,433.84 and 44,277.32

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Solution

The fourth proportional to 66,977.70, 92,433.84 and 44,277.32 is: 61,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,977.70 : 92,433.84 = 44,277.32 : x
  2. Step 2: Convert to fraction form
    66,977.70/92,433.84 = 44,277.32/x
  3. Step 3: Cross multiply
    66,977.70x = 92,433.84 × 44,277.32
  4. Step 4: Simplify right side
    66,977.70x = 4,092,722,712.51
  5. Step 5: Solve for x
    x = 4,092,722,712.51/66,977.70
  6. Step 6: Final answer
    x = 61,105.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.