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Finding the Fourth Proportional to 7,400.08, 10,198.08 and 5,300.56

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Solution

The fourth proportional to 7,400.08, 10,198.08 and 5,300.56 is: 7,304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.08 : 10,198.08 = 5,300.56 : x
  2. Step 2: Convert to fraction form
    7,400.08/10,198.08 = 5,300.56/x
  3. Step 3: Cross multiply
    7,400.08x = 10,198.08 × 5,300.56
  4. Step 4: Simplify right side
    7,400.08x = 54,055,534.92
  5. Step 5: Solve for x
    x = 54,055,534.92/7,400.08
  6. Step 6: Final answer
    x = 7,304.72

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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.