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Finding the Fourth Proportional to 6,668.16, 9,998.97 and 3,895.53

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Solution

The fourth proportional to 6,668.16, 9,998.97 and 3,895.53 is: 5,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.16 : 9,998.97 = 3,895.53 : x
  2. Step 2: Convert to fraction form
    6,668.16/9,998.97 = 3,895.53/x
  3. Step 3: Cross multiply
    6,668.16x = 9,998.97 × 3,895.53
  4. Step 4: Simplify right side
    6,668.16x = 38,951,237.61
  5. Step 5: Solve for x
    x = 38,951,237.61/6,668.16
  6. Step 6: Final answer
    x = 5,841.38

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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.