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Finding the Fourth Proportional to 62,963.46, 94,385.82 and 31,343.64

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Solution

The fourth proportional to 62,963.46, 94,385.82 and 31,343.64 is: 46,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,963.46 : 94,385.82 = 31,343.64 : x
  2. Step 2: Convert to fraction form
    62,963.46/94,385.82 = 31,343.64/x
  3. Step 3: Cross multiply
    62,963.46x = 94,385.82 × 31,343.64
  4. Step 4: Simplify right side
    62,963.46x = 2,958,395,163.18
  5. Step 5: Solve for x
    x = 2,958,395,163.18/62,963.46
  6. Step 6: Final answer
    x = 46,985.91

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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.