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Finding the Fourth Proportional to 8,936.66, 13,410.69 and 6,302.54

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Solution

The fourth proportional to 8,936.66, 13,410.69 and 6,302.54 is: 9,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.66 : 13,410.69 = 6,302.54 : x
  2. Step 2: Convert to fraction form
    8,936.66/13,410.69 = 6,302.54/x
  3. Step 3: Cross multiply
    8,936.66x = 13,410.69 × 6,302.54
  4. Step 4: Simplify right side
    8,936.66x = 84,521,410.15
  5. Step 5: Solve for x
    x = 84,521,410.15/8,936.66
  6. Step 6: Final answer
    x = 9,457.83

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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.