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Finding the Fourth Proportional to 3,622.99, 4,998.91 and 2,207.41

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Solution

The fourth proportional to 3,622.99, 4,998.91 and 2,207.41 is: 3,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.99 : 4,998.91 = 2,207.41 : x
  2. Step 2: Convert to fraction form
    3,622.99/4,998.91 = 2,207.41/x
  3. Step 3: Cross multiply
    3,622.99x = 4,998.91 × 2,207.41
  4. Step 4: Simplify right side
    3,622.99x = 11,034,643.92
  5. Step 5: Solve for x
    x = 11,034,643.92/3,622.99
  6. Step 6: Final answer
    x = 3,045.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.