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Finding the Fourth Proportional to 6,625.53, 9,940.73 and 3,507.84

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Solution

The fourth proportional to 6,625.53, 9,940.73 and 3,507.84 is: 5,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.53 : 9,940.73 = 3,507.84 : x
  2. Step 2: Convert to fraction form
    6,625.53/9,940.73 = 3,507.84/x
  3. Step 3: Cross multiply
    6,625.53x = 9,940.73 × 3,507.84
  4. Step 4: Simplify right side
    6,625.53x = 34,870,472.78
  5. Step 5: Solve for x
    x = 34,870,472.78/6,625.53
  6. Step 6: Final answer
    x = 5,263.05

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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.