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Finding the Fourth Proportional to 7,149.22, 10,729.05 and 7,094.92

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Solution

The fourth proportional to 7,149.22, 10,729.05 and 7,094.92 is: 10,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.22 : 10,729.05 = 7,094.92 : x
  2. Step 2: Convert to fraction form
    7,149.22/10,729.05 = 7,094.92/x
  3. Step 3: Cross multiply
    7,149.22x = 10,729.05 × 7,094.92
  4. Step 4: Simplify right side
    7,149.22x = 76,121,751.43
  5. Step 5: Solve for x
    x = 76,121,751.43/7,149.22
  6. Step 6: Final answer
    x = 10,647.56

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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.