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Finding the Fourth Proportional to 6,917.61, 10,379.03 and 4,146.27

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Solution

The fourth proportional to 6,917.61, 10,379.03 and 4,146.27 is: 6,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.61 : 10,379.03 = 4,146.27 : x
  2. Step 2: Convert to fraction form
    6,917.61/10,379.03 = 4,146.27/x
  3. Step 3: Cross multiply
    6,917.61x = 10,379.03 × 4,146.27
  4. Step 4: Simplify right side
    6,917.61x = 43,034,188.09
  5. Step 5: Solve for x
    x = 43,034,188.09/6,917.61
  6. Step 6: Final answer
    x = 6,220.97

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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.