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Finding the Fourth Proportional to 6,613.99, 9,912.51 and 4,624.19

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Solution

The fourth proportional to 6,613.99, 9,912.51 and 4,624.19 is: 6,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.99 : 9,912.51 = 4,624.19 : x
  2. Step 2: Convert to fraction form
    6,613.99/9,912.51 = 4,624.19/x
  3. Step 3: Cross multiply
    6,613.99x = 9,912.51 × 4,624.19
  4. Step 4: Simplify right side
    6,613.99x = 45,837,317.23
  5. Step 5: Solve for x
    x = 45,837,317.23/6,613.99
  6. Step 6: Final answer
    x = 6,930.36

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Similar ratio
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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.