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Finding the Fourth Proportional to 6,917.22, 9,545.72 and 3,773.48

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Solution

The fourth proportional to 6,917.22, 9,545.72 and 3,773.48 is: 5,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.22 : 9,545.72 = 3,773.48 : x
  2. Step 2: Convert to fraction form
    6,917.22/9,545.72 = 3,773.48/x
  3. Step 3: Cross multiply
    6,917.22x = 9,545.72 × 3,773.48
  4. Step 4: Simplify right side
    6,917.22x = 36,020,516.91
  5. Step 5: Solve for x
    x = 36,020,516.91/6,917.22
  6. Step 6: Final answer
    x = 5,207.37

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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.