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Finding the Fourth Proportional to 6,346.70, 9,520.06 and 1,964.06

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Solution

The fourth proportional to 6,346.70, 9,520.06 and 1,964.06 is: 2,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.70 : 9,520.06 = 1,964.06 : x
  2. Step 2: Convert to fraction form
    6,346.70/9,520.06 = 1,964.06/x
  3. Step 3: Cross multiply
    6,346.70x = 9,520.06 × 1,964.06
  4. Step 4: Simplify right side
    6,346.70x = 18,697,969.04
  5. Step 5: Solve for x
    x = 18,697,969.04/6,346.70
  6. Step 6: Final answer
    x = 2,946.09

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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.