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Finding the Fourth Proportional to 63,247.92, 94,935.92 and 31,680.60

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Solution

The fourth proportional to 63,247.92, 94,935.92 and 31,680.60 is: 47,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,247.92 : 94,935.92 = 31,680.60 : x
  2. Step 2: Convert to fraction form
    63,247.92/94,935.92 = 31,680.60/x
  3. Step 3: Cross multiply
    63,247.92x = 94,935.92 × 31,680.60
  4. Step 4: Simplify right side
    63,247.92x = 3,007,626,907.15
  5. Step 5: Solve for x
    x = 3,007,626,907.15/63,247.92
  6. Step 6: Final answer
    x = 47,552.98

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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.