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Finding the Fourth Proportional to 8,350.39, 11,517.99 and 5,369.99

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Solution

The fourth proportional to 8,350.39, 11,517.99 and 5,369.99 is: 7,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.39 : 11,517.99 = 5,369.99 : x
  2. Step 2: Convert to fraction form
    8,350.39/11,517.99 = 5,369.99/x
  3. Step 3: Cross multiply
    8,350.39x = 11,517.99 × 5,369.99
  4. Step 4: Simplify right side
    8,350.39x = 61,851,491.12
  5. Step 5: Solve for x
    x = 61,851,491.12/8,350.39
  6. Step 6: Final answer
    x = 7,407.02

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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.