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Finding the Fourth Proportional to 4,668.57, 7,003.96 and 1,336.86

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Solution

The fourth proportional to 4,668.57, 7,003.96 and 1,336.86 is: 2,005.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.57 : 7,003.96 = 1,336.86 : x
  2. Step 2: Convert to fraction form
    4,668.57/7,003.96 = 1,336.86/x
  3. Step 3: Cross multiply
    4,668.57x = 7,003.96 × 1,336.86
  4. Step 4: Simplify right side
    4,668.57x = 9,363,313.97
  5. Step 5: Solve for x
    x = 9,363,313.97/4,668.57
  6. Step 6: Final answer
    x = 2,005.61

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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.