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Finding the Fourth Proportional to 7,198.48, 9,933.77 and 4,054.67

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Solution

The fourth proportional to 7,198.48, 9,933.77 and 4,054.67 is: 5,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.48 : 9,933.77 = 4,054.67 : x
  2. Step 2: Convert to fraction form
    7,198.48/9,933.77 = 4,054.67/x
  3. Step 3: Cross multiply
    7,198.48x = 9,933.77 × 4,054.67
  4. Step 4: Simplify right side
    7,198.48x = 40,278,156.93
  5. Step 5: Solve for x
    x = 40,278,156.93/7,198.48
  6. Step 6: Final answer
    x = 5,595.37

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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.