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Finding the Fourth Proportional to 62,960.46, 94,381.32 and 31,340.64

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Solution

The fourth proportional to 62,960.46, 94,381.32 and 31,340.64 is: 46,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,960.46 : 94,381.32 = 31,340.64 : x
  2. Step 2: Convert to fraction form
    62,960.46/94,381.32 = 31,340.64/x
  3. Step 3: Cross multiply
    62,960.46x = 94,381.32 × 31,340.64
  4. Step 4: Simplify right side
    62,960.46x = 2,957,970,972.84
  5. Step 5: Solve for x
    x = 2,957,970,972.84/62,960.46
  6. Step 6: Final answer
    x = 46,981.41

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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.