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Finding the Fourth Proportional to 4,693.92, 6,484.56 and 3,984.57

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Solution

The fourth proportional to 4,693.92, 6,484.56 and 3,984.57 is: 5,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,693.92 : 6,484.56 = 3,984.57 : x
  2. Step 2: Convert to fraction form
    4,693.92/6,484.56 = 3,984.57/x
  3. Step 3: Cross multiply
    4,693.92x = 6,484.56 × 3,984.57
  4. Step 4: Simplify right side
    4,693.92x = 25,838,183.24
  5. Step 5: Solve for x
    x = 25,838,183.24/4,693.92
  6. Step 6: Final answer
    x = 5,504.61

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1.5x scale

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.