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Finding the Fourth Proportional to 7,200.21, 9,933.57 and 4,366.56

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Solution

The fourth proportional to 7,200.21, 9,933.57 and 4,366.56 is: 6,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.21 : 9,933.57 = 4,366.56 : x
  2. Step 2: Convert to fraction form
    7,200.21/9,933.57 = 4,366.56/x
  3. Step 3: Cross multiply
    7,200.21x = 9,933.57 × 4,366.56
  4. Step 4: Simplify right side
    7,200.21x = 43,375,529.42
  5. Step 5: Solve for x
    x = 43,375,529.42/7,200.21
  6. Step 6: Final answer
    x = 6,024.20

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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.