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Finding the Fourth Proportional to 7,207.54, 10,811.31 and 5,566.48

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Solution

The fourth proportional to 7,207.54, 10,811.31 and 5,566.48 is: 8,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.54 : 10,811.31 = 5,566.48 : x
  2. Step 2: Convert to fraction form
    7,207.54/10,811.31 = 5,566.48/x
  3. Step 3: Cross multiply
    7,207.54x = 10,811.31 × 5,566.48
  4. Step 4: Simplify right side
    7,207.54x = 60,180,940.89
  5. Step 5: Solve for x
    x = 60,180,940.89/7,207.54
  6. Step 6: Final answer
    x = 8,349.72

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Double scale
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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.