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Finding the Fourth Proportional to 5,668.70, 7,822.67 and 3,150.69

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Solution

The fourth proportional to 5,668.70, 7,822.67 and 3,150.69 is: 4,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.70 : 7,822.67 = 3,150.69 : x
  2. Step 2: Convert to fraction form
    5,668.70/7,822.67 = 3,150.69/x
  3. Step 3: Cross multiply
    5,668.70x = 7,822.67 × 3,150.69
  4. Step 4: Simplify right side
    5,668.70x = 24,646,792.39
  5. Step 5: Solve for x
    x = 24,646,792.39/5,668.70
  6. Step 6: Final answer
    x = 4,347.88

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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.