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Finding the Fourth Proportional to 6,668.26, 9,983.88 and 4,330.96

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Solution

The fourth proportional to 6,668.26, 9,983.88 and 4,330.96 is: 6,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.26 : 9,983.88 = 4,330.96 : x
  2. Step 2: Convert to fraction form
    6,668.26/9,983.88 = 4,330.96/x
  3. Step 3: Cross multiply
    6,668.26x = 9,983.88 × 4,330.96
  4. Step 4: Simplify right side
    6,668.26x = 43,239,784.92
  5. Step 5: Solve for x
    x = 43,239,784.92/6,668.26
  6. Step 6: Final answer
    x = 6,484.42

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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.