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Finding the Fourth Proportional to 6,662.52, 9,192.63 and 4,074.81

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Solution

The fourth proportional to 6,662.52, 9,192.63 and 4,074.81 is: 5,622.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.52 : 9,192.63 = 4,074.81 : x
  2. Step 2: Convert to fraction form
    6,662.52/9,192.63 = 4,074.81/x
  3. Step 3: Cross multiply
    6,662.52x = 9,192.63 × 4,074.81
  4. Step 4: Simplify right side
    6,662.52x = 37,458,201.46
  5. Step 5: Solve for x
    x = 37,458,201.46/6,662.52
  6. Step 6: Final answer
    x = 5,622.23

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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.