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Finding the Fourth Proportional to 64,992, 89,702.82 and 44,601.96

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Solution

The fourth proportional to 64,992, 89,702.82 and 44,601.96 is: 61,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,992 : 89,702.82 = 44,601.96 : x
  2. Step 2: Convert to fraction form
    64,992/89,702.82 = 44,601.96/x
  3. Step 3: Cross multiply
    64,992x = 89,702.82 × 44,601.96
  4. Step 4: Simplify right side
    64,992x = 4,000,921,589.53
  5. Step 5: Solve for x
    x = 4,000,921,589.53/64,992
  6. Step 6: Final answer
    x = 61,560.22

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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.