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Finding the Fourth Proportional to 7,134.99, 10,703.88 and 3,626.97

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Solution

The fourth proportional to 7,134.99, 10,703.88 and 3,626.97 is: 5,441.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.99 : 10,703.88 = 3,626.97 : x
  2. Step 2: Convert to fraction form
    7,134.99/10,703.88 = 3,626.97/x
  3. Step 3: Cross multiply
    7,134.99x = 10,703.88 × 3,626.97
  4. Step 4: Simplify right side
    7,134.99x = 38,822,651.64
  5. Step 5: Solve for x
    x = 38,822,651.64/7,134.99
  6. Step 6: Final answer
    x = 5,441.16

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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.