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Finding the Fourth Proportional to 4,608.08, 6,899.81 and 2,412.19

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Solution

The fourth proportional to 4,608.08, 6,899.81 and 2,412.19 is: 3,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.08 : 6,899.81 = 2,412.19 : x
  2. Step 2: Convert to fraction form
    4,608.08/6,899.81 = 2,412.19/x
  3. Step 3: Cross multiply
    4,608.08x = 6,899.81 × 2,412.19
  4. Step 4: Simplify right side
    4,608.08x = 16,643,681.00
  5. Step 5: Solve for x
    x = 16,643,681.00/4,608.08
  6. Step 6: Final answer
    x = 3,611.85

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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.