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Finding the Fourth Proportional to 6,960.42, 10,443.62 and 4,621.24

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Solution

The fourth proportional to 6,960.42, 10,443.62 and 4,621.24 is: 6,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.42 : 10,443.62 = 4,621.24 : x
  2. Step 2: Convert to fraction form
    6,960.42/10,443.62 = 4,621.24/x
  3. Step 3: Cross multiply
    6,960.42x = 10,443.62 × 4,621.24
  4. Step 4: Simplify right side
    6,960.42x = 48,262,474.49
  5. Step 5: Solve for x
    x = 48,262,474.49/6,960.42
  6. Step 6: Final answer
    x = 6,933.85

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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.