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Finding the Fourth Proportional to 6,736.05, 10,104.08 and 6,120.45

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Solution

The fourth proportional to 6,736.05, 10,104.08 and 6,120.45 is: 9,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,736.05 : 10,104.08 = 6,120.45 : x
  2. Step 2: Convert to fraction form
    6,736.05/10,104.08 = 6,120.45/x
  3. Step 3: Cross multiply
    6,736.05x = 10,104.08 × 6,120.45
  4. Step 4: Simplify right side
    6,736.05x = 61,841,485.83
  5. Step 5: Solve for x
    x = 61,841,485.83/6,736.05
  6. Step 6: Final answer
    x = 9,180.68

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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.