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Finding the Fourth Proportional to 7,669.98, 11,504.98 and 6,626.83

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Solution

The fourth proportional to 7,669.98, 11,504.98 and 6,626.83 is: 9,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.98 : 11,504.98 = 6,626.83 : x
  2. Step 2: Convert to fraction form
    7,669.98/11,504.98 = 6,626.83/x
  3. Step 3: Cross multiply
    7,669.98x = 11,504.98 × 6,626.83
  4. Step 4: Simplify right side
    7,669.98x = 76,241,543.13
  5. Step 5: Solve for x
    x = 76,241,543.13/7,669.98
  6. Step 6: Final answer
    x = 9,940.25

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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.