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Finding the Fourth Proportional to 4,804.97, 7,212.92 and 4,487.85

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Solution

The fourth proportional to 4,804.97, 7,212.92 and 4,487.85 is: 6,736.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.97 : 7,212.92 = 4,487.85 : x
  2. Step 2: Convert to fraction form
    4,804.97/7,212.92 = 4,487.85/x
  3. Step 3: Cross multiply
    4,804.97x = 7,212.92 × 4,487.85
  4. Step 4: Simplify right side
    4,804.97x = 32,370,480.58
  5. Step 5: Solve for x
    x = 32,370,480.58/4,804.97
  6. Step 6: Final answer
    x = 6,736.88

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1.5x scale

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.