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Finding the Fourth Proportional to 6,911.61, 10,369.17 and 4,447.59

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Solution

The fourth proportional to 6,911.61, 10,369.17 and 4,447.59 is: 6,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.61 : 10,369.17 = 4,447.59 : x
  2. Step 2: Convert to fraction form
    6,911.61/10,369.17 = 4,447.59/x
  3. Step 3: Cross multiply
    6,911.61x = 10,369.17 × 4,447.59
  4. Step 4: Simplify right side
    6,911.61x = 46,117,816.80
  5. Step 5: Solve for x
    x = 46,117,816.80/6,911.61
  6. Step 6: Final answer
    x = 6,672.51

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Double scale
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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.