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Finding the Fourth Proportional to 6,346.62, 9,520.84 and 1,964.42

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Solution

The fourth proportional to 6,346.62, 9,520.84 and 1,964.42 is: 2,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.62 : 9,520.84 = 1,964.42 : x
  2. Step 2: Convert to fraction form
    6,346.62/9,520.84 = 1,964.42/x
  3. Step 3: Cross multiply
    6,346.62x = 9,520.84 × 1,964.42
  4. Step 4: Simplify right side
    6,346.62x = 18,702,928.51
  5. Step 5: Solve for x
    x = 18,702,928.51/6,346.62
  6. Step 6: Final answer
    x = 2,946.91

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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.