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Finding the Fourth Proportional to 6,450.79, 9,622.62 and 6,234.83

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Solution

The fourth proportional to 6,450.79, 9,622.62 and 6,234.83 is: 9,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.79 : 9,622.62 = 6,234.83 : x
  2. Step 2: Convert to fraction form
    6,450.79/9,622.62 = 6,234.83/x
  3. Step 3: Cross multiply
    6,450.79x = 9,622.62 × 6,234.83
  4. Step 4: Simplify right side
    6,450.79x = 59,995,399.85
  5. Step 5: Solve for x
    x = 59,995,399.85/6,450.79
  6. Step 6: Final answer
    x = 9,300.47

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.