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Finding the Fourth Proportional to 8,836.05, 13,254.08 and 3,908.01

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Solution

The fourth proportional to 8,836.05, 13,254.08 and 3,908.01 is: 5,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.05 : 13,254.08 = 3,908.01 : x
  2. Step 2: Convert to fraction form
    8,836.05/13,254.08 = 3,908.01/x
  3. Step 3: Cross multiply
    8,836.05x = 13,254.08 × 3,908.01
  4. Step 4: Simplify right side
    8,836.05x = 51,797,057.64
  5. Step 5: Solve for x
    x = 51,797,057.64/8,836.05
  6. Step 6: Final answer
    x = 5,862.02

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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.